ZL2005P datasheet, PDF - EEWORLD Datasheet

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ZL2005P: DescriptionDigital-DC⑩ Controller with Drivers and POLA/DOSA Trim; File Size454KB，40 Pages; ManufacturerIntersil ( Renesas ); Websitehttp://www.intersil.com/cda/home/

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ZL2005P Overview

Digital-DC⑩ Controller with Drivers and POLA/DOSA Trim

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ZL2005P

Data Sheet

February 18, 2009

FN6849.0

Digital-DC™ Controller with Drivers and POLA/DOSA Trim

Description

The ZL2005P is an innovative mixed-signal power

conversion and management IC that combines a com-

pact, efficient, synchronous DC-DC buck controller,

adaptive drivers and key power and thermal manage-

ment functions in one IC, providing flexibility and

scalability while decreasing board space requirements

and design complexity. Zilker Labs Digital-DC tech-

nology enables a unique blend of performance and

features not available in either traditional analog or

newer digital approaches, resolving the issues associ-

ated with providing multiple low-voltage power

domains on a single PCB.

The ZL2005P is designed to be configured either as a

standard ZL2005 or as POLA/DOSA compatible

device.

All operating features can be configured by simple

pin-strap selection, resistor selection or through the

on-board serial port. The PMBus™-compliant

ZL2005P uses the SMBus™ serial interface for com-

munication with other Digital-DC products or a host

controller.

Features Power Conversion

• Efficient synchronous buck controller

• 3 V to 14 V input range

• 0.54 V to 5.5 V output range (with margin)

• Optional output voltage setting with VADJ pin

• ± 1% output accuracy

• Internal 3 A drivers support >40 A power stage

• Fast load transient response

• Phase interleaving

• RoHS compliant (6 x 6 mm) QFN package

Power Management

• Digital soft start/stop

• Precision delay and ramp-up

• Voltage tracking, sequencing and margining

• Voltage/current/temperature monitoring

• I

C/SMBus communication

• Output overvoltage and overcurrent protection

• Internal non-voltatile memory (NVM)

• PMBus compliant

Applications

•

Servers/storage equipment

Telecom/datacom equipment

Power supplies (memory, DSP, ASIC, FPGA)

DLY FC ILIM

EN PG (0,1) (0,1) (0,1) CFG UVLO V25 VR VDD

SS (0,1)

VTRK

MGN

SYNC

VADJ

POWER

MANAGEMENT

LDO

BST

ISENA

ISENB

DRIVER

NON-

VOLATILE

MEMORY

PWM

CONTROLLER

CURRENT

SENSE

TEMP

SENSOR

SCL

SDA

SALRT

MONITOR

ADC

SA (0,1)

XTEMP VSEN

PGND SGND DGND

Figure 1. Block Diagram

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774

Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

ZL2005P

Table of Contents

Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pin Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Typical Application Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ZL2005P Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.1

Digital-DC Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.2

ZL2005 - ZL2005P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.3

Power Conversion Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.4

Power Management Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.5

Multi-mode Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Conversion Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.1

Internal Bias Regulators and Input Supply Connections. . . . . . . . . . . . . . . . . . . . . .

5.2

High-side Driver Boost Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.3

Output Voltage Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.4

Start-up Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5

Soft Start Delay and Ramp Times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.6

Power Good . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.7

Switching Frequency and PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.8

Selecting Power Train Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.9

Current Limit Threshold Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.10 Loop Compensation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.11 Non-Linear Response Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.12 Efficiency Optimized Driver Dead-time Control. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Power Management Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.1

Input Undervoltage Lockout (UVLO) Standard Mode . . . . . . . . . . . . . . . . . . . . . . . .

6.2

Output Overvoltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3

Output Pre-Bias Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.4

Output Overcurrent Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.5

Thermal Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.6

Voltage Tracking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.7

Voltage Margining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.8

I2C/SMBus Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.9

I2C/SMBus Device Address Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.10 Phase Spreading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.11 Output Sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.12 Monitoring via I2C/SMBus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.13 Temperature Monitoring Using the XTEMP Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.14 Non-volatile Memory and Device Security Features. . . . . . . . . . . . . . . . . . . . . . . . .

Package Dimensions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.1

Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2

Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

FN6849.0

February 18, 2009

ZL2005P Related Products

	ZL2005P	ZL2005PALPFT1	ZL2005PALPFT
Description	Digital-DC⑩ Controller with Drivers and POLA/DOSA Trim	Digital-DC⑩ Controller with Drivers and POLA/DOSA Trim	Digital-DC⑩ Controller with Drivers and POLA/DOSA Trim

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