ZSPM1509ZA1W0 datasheet, PDF - EEWORLD Datasheet

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ZSPM1509ZA1W0: DescriptionPQFN / 24 / 4X4MM# G1 - TAPE&REE;; Categoryunclassified; File Size8MB，101 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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True-Digital PWM Controller

(Single-Phase, Single-Rail)

ZSPM15xx

Datasheet

Brief Description

ZSPM15xx family ICs are controllers designed for

high-current, non-isolated DC/DC step-down point of

load (POL) converters. The ZSPM15xx has a digital

control loop that is optimized for maximum stability

as well as load step and steady-state performance.

ZSPM15xx family ICs have a rich set of integrated

fault protection features including over-voltage/

under-voltage, output over-current, and over-temper-

ature protections. To facilitate ease of use, the

ZSPM15xx is pre-programmed and available for

common output voltages. To provide flexibility for the

end-customer, the over-current protection threshold

and the control loop compensation are selectable by

the end-customer to match a number of selected

power stages.

ZSPM15xx family ICs have been optimized for max-

imum efficiency when used with IDT’s DrMOS

devices. Reference designs and application instruc-

tions enable a high performance turnkey solution

without extensive engineering development.

Benefits

•

Factory pre-configured for industry standard

output voltages and currents enabling fast

time-to-market

Simplified design and integration

FPGA designer-friendly solution

Highest power density with smallest footprint

Higher energy efficiency across all output loading

conditions

Operation from a single 5V supply

Available Support

•

Reference designs

Evaluation kits

Physical Characteristics

•

Features

•

Advanced digital control techniques

•

Tru-sample Technology™

•

State-Law Control™ (SLC)

•

Preconfigured compensation for selected

inductance values.

•

Improved transient response and noise immunity

•

Protection features

•

Configuration for over-current protection

•

Over-voltage protection (VIN, VOUT)

•

Under-voltage protection (VIN, VOUT)

•

Over-temperature protection

•

Overloaded startup

•

Restart and delay

Operation temperature: -40°C to +125°C

for POL application:10.8V to 13.2V

VDD50 voltage supply: 4.75 to 5.25V

Available Output Voltages: 0.85V, 1.0V, 1.2V,

1.5V, 1.8V, 2.0V, 2.5V, 3.3V, and 5.0V

Lead free (RoHS compliant) 24-pin QFN package

(4mm x 4mm)

ZSPM15xx Typical Application Diagram

ZSPM15xx

QFN 4x4 mm

Current Sensing

Digital Control Loop

ZSPM90xx

PQFN 6x6 mm

Power Management

(Sequencing, Protection,…)

Driver

Housekeeping

and

Communication

January 27, 2016

ZSPM15xx Datasheet

Contents

IC Characteristics ........................................................................................................................................... 14

1.1. Absolute Maximum Ratings ..................................................................................................................... 14

1.2. Recommended Operating Conditions ..................................................................................................... 15

1.3. Electrical Parameters .............................................................................................................................. 15

1.4. Device-Specific System Parameters ....................................................................................................... 18

1.4.1. ZSPM1501 ........................................................................................................................................ 18

1.4.2. ZSPM1502 ........................................................................................................................................ 18

1.4.3. ZSPM1503 ........................................................................................................................................ 19

1.4.4. ZSPM1504 ........................................................................................................................................ 20

1.4.5. ZSPM1505 ........................................................................................................................................ 20

1.4.6. ZSPM1506 ........................................................................................................................................ 21

1.4.7. ZSPM1507 ........................................................................................................................................ 22

1.4.8. ZSPM1508 ........................................................................................................................................ 22

1.4.9. ZSPM1509 ........................................................................................................................................ 23

1.4.10. ZSPM1511 ........................................................................................................................................ 23

1.4.11. ZSPM1512 ........................................................................................................................................ 24

1.4.12. ZSPM1513 ........................................................................................................................................ 24

2 Product Summary........................................................................................................................................... 25

2.1. Overview .................................................................................................................................................. 25

2.2. Pin Description......................................................................................................................................... 27

2.3. Available Packages ................................................................................................................................. 28

3 Functional Description .................................................................................................................................... 29

3.1. Power Supply Circuitry, Reference Decoupling, and Grounding ............................................................ 29

3.2. Reset/Start-up Behavior .......................................................................................................................... 29

3.3. Digital Power Control ............................................................................................................................... 29

3.3.1. Overview ........................................................................................................................................... 29

3.3.2. Output Voltage Feedback ................................................................................................................. 29

3.3.3. Digital Compensator ......................................................................................................................... 30

3.3.4. Power Sequencing and the CONTROL Pin ...................................................................................... 31

3.4. Fault Monitoring and Response Generation ............................................................................................ 32

3.4.1. Output Over/Under-Voltage .............................................................................................................. 32

3.4.2. Output Current Protection ................................................................................................................. 32

3.4.3. Input Voltage Protection .................................................................................................................... 33

3.4.4. Over-Temperature Protection ........................................................................................................... 33

4 Application Information ................................................................................................................................... 34

4.1. Application Schematic ............................................................................................................................. 34

4.2. Device-Specific Passive Components ..................................................................................................... 36

4.3. Output Voltage Feedback Components .................................................................................................. 38

January 27, 2016

ZSPM15xx Datasheet

4.4. DCR Current Sensing Components ........................................................................................................ 38

4.5. Input Voltage Sensing ............................................................................................................................. 39

4.6. External Temperature Sensing ................................................................................................................ 39

4.7. CONFIG0 – Over-Current Protection Threshold ..................................................................................... 40

4.8. CONFIG1 – Compensation Loop and Output Voltage Slew Rate........................................................... 41

5 Typical Performance Data .............................................................................................................................. 46

5.1. ZSPM1501 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 47

5.2. ZSPM1501 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 48

5.3. ZSPM1501 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 49

5.4. ZSPM1501 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 50

5.5. ZSPM1502 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 51

5.6. ZSPM1502 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 52

5.7. ZSPM1502 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 53

5.8. ZSPM1502 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 54

5.9. ZSPM1503 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 55

5.10. ZSPM1503 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 56

5.11. ZSPM1503 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 57

5.12. ZSPM1503 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 58

5.13. ZSPM1504 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 59

5.14. ZSPM1504 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 60

5.15. ZSPM1504 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 61

5.16. ZSPM1504 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 62

5.17. ZSPM1505 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 63

5.18. ZSPM1505 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 64

5.19. ZSPM1505 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 65

5.20. ZSPM1505 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 66

5.21. ZSPM1506 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 67

5.22. ZSPM1506 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 68

5.23. ZSPM1506 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 69

5.24. ZSPM1506 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 70

5.25. ZSPM1507 – Typical Load Transient Response –Capacitor Range 1 – Comp0 .................................... 71

5.26. ZSPM1507 – Typical Load Transient Response –Capacitor Range 2 – Comp1 .................................... 72

5.27. ZSPM1507 – Typical Load Transient Response –Capacitor Range 3 – Comp2 .................................... 73

5.28. ZSPM1507 – Typical Load Transient Response –Capacitor Range 4 – Comp3 .................................... 74

5.29. ZSPM1508 – Typical Load Transient Response –Capacitor Range 1 – Comp0 .................................... 75

5.30. ZSPM1508 – Typical Load Transient Response –Capacitor Range 2 – Comp1 .................................... 76

5.31. ZSPM1508 – Typical Load Transient Response –Capacitor Range 3 – Comp2 .................................... 77

5.32. ZSPM1508 – Typical Load Transient Response –Capacitor Range 4 – Comp3 .................................... 78

5.33. ZSPM1509 – Typical Load Transient Response –Capacitor Range 1 – Comp0 .................................... 79

January 27, 2016

ZSPM15xx Datasheet

ZSPM1509 – Typical Load Transient Response –Capacitor Range 2 – Comp1 .................................... 80

ZSPM1509 – Typical Load Transient Response –Capacitor Range 3 – Comp2 .................................... 81

ZSPM1509 – Typical Load Transient Response –Capacitor Range 4 – Comp3 .................................... 82

ZSPM1511 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 83

ZSPM1511 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 84

ZSPM1511 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 85

ZSPM1511 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 86

ZSPM1512 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 87

ZSPM1512 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 88

ZSPM1512 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 89

ZSPM1512 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 90

ZSPM1513 – Typical Load Transient Response – Capacitor Range #1 – Comp0 ................................. 91

ZSPM1513 – Typical Load Transient Response – Capacitor Range #2 – Comp1 ................................. 92

ZSPM1513 – Typical Load Transient Response – Capacitor Range #3 – Comp2 ................................. 93

ZSPM1513 – Typical Load Transient Response – Capacitor Range #4 – Comp3 ................................. 94

Typical Efficiency Curves – ZSPM1502 with ZSPM9000, ZSPM9015, and ZSPM9060 DrMOS ........... 95

Typical Efficiency Curves – ZSPM9000 DrMOS with ZSPM1504, ZSPM1505, and ZSPM1506 ........... 96

Typical Efficiency Curves – ZSPM9000 and ZSPM9060 DrMOS with ZSPM1508 and ZSPM1509 ...... 97

Typical Efficiency Curves – ZSPM9000 and ZSPM9060 DrMOS with ZSPM1511, ZSPM1512,

and ZSPM1513 ........................................................................................................................................ 98

6 Mechanical Specifications .............................................................................................................................. 99

7 Ordering Information .................................................................................................................................... 100

8 Related Documents ...................................................................................................................................... 100

9 Glossary ....................................................................................................................................................... 101

10 Document Revision History .......................................................................................................................... 101

5.34.

5.35.

5.36.

5.37.

5.38.

5.39.

5.40.

5.41.

5.42.

5.43.

5.44.

5.45.

5.46.

5.47.

5.48.

5.49.

5.50.

5.51.

5.52.

List of Figures

Figure 2.1

Figure 2.2

Figure 2.3

Figure 3.1

Figure 3.2

Figure 4.1

Figure 4.2

Figure 4.3

Figure 4.4

Figure 4.5

Figure 5.1

Typical Application Circuit with a 5V Supply Voltage ..................................................................... 25

Block Diagram ................................................................................................................................ 26

Pin-out QFN24 Package ................................................................................................................ 28

Simplified Block Diagram of the Digital Compensation .................................................................. 30

Power Sequencing ......................................................................................................................... 31

ZSPM15xx – Application Circuit with a 5V Supply Voltage ........................................................... 34

Output Voltage Sense Circuitry ...................................................................................................... 38

Inductor Current Sensing Using the DCR Method ......................................................................... 38

Input Voltage Sense Circuitry......................................................................................................... 39

External Temperature Sense Circuitry ........................................................................................... 39

ZSPM1501 with Comp0; 5A to 15A Load Step; and Min. Capacitance ......................................... 47

January 27, 2016

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