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ZL6105ALBFTKR5554

Description
ADAPTIVE DIGITAL DC-DC CONTROLLE
Categorysemiconductor    Power management   
File Size1MB,35 Pages
ManufacturerRenesas Electronics Corporation
Websitehttps://www.renesas.com/
Environmental Compliance
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ZL6105ALBFTKR5554 Overview

ADAPTIVE DIGITAL DC-DC CONTROLLE

ZL6105ALBFTKR5554 Parametric

Parameter NameAttribute value
Output typetransistor driver
Functionstep down
Output configurationjust
Topologystep down
Number of outputs1
output stage1
Voltage - Power Supply (Vcc/Vdd)3 V ~ 5 V
Frequency - Switch200kHz ~ 1.4MHz
Duty cycle (maximum)0.95
Synchronous rectifieryes
Clock synchronizationyes
serial interfaceI²C,PMBus,SMBus
Control characteristicsCurrent limit, enable, power good, soft start, tracking
Operating temperature-40°C ~ 85°C(TA)
DATASHEET
ZL6105
Digital DC/DC Controller with Drivers and Auto Compensation
The ZL6105 is a digital power controller with integrated
MOSFET drivers. Auto compensation eliminates the need for
manual compensation design work. Adaptive performance
optimization algorithms improve power conversion efficiency.
Zilker Labs Digital-DC™ technology enables a blend of power
conversion performance and power management features.
The ZL6105 is designed to be a flexible building block for DC
power and can be easily adapted to designs ranging from a
single-phase power supply operating from a 3.3V to a
multiphase current sharing supply operating from a 12V input.
The ZL6105 eliminates the need for complicated power supply
managers as well as numerous external discrete components.
The ZL6105 uses the I
2
C/SMBus™ with PMBus™ protocol for
communication with a host controller and the Digital-DC bus
for communication between Zilker Labs devices.
The ZL6105 is pin for pin compatible with the ZL2008. The
POLA V
OUT
table and compensation table have been removed.
A new single resistor V
OUT
table and the Auto Compensation
feature have been added.
FN6906
Rev 5.00
December 19, 2013
Features
Power Conversion
• Efficient Synchronous Buck Controller
• Auto Compensating PID Filter
• Adaptive Light Load Efficiency Optimization
• 3V to 14V Input Range
• 0.54V to 5.5V Output Range (with margin)
• ±1% Output Voltage Accuracy
• Internal 3A MOSFET Drivers
• Fast Load Transient Response
• Current Sharing and Phase Interleaving
Snapshot™
Parameter Capture
• Pb-Free (RoHs Compliant)
Power Management
• Digital Soft-start/stop
• Power-Good/Enable
• Voltage Tracking, Sequencing and Margining
• Voltage, Current and Temperature Monitoring
• I
2
C/SMBus Interface, PMBus Compatible
• Output Voltage and Current Protection
• Internal Non-volatile Memory (NVM)
Related Literature
AN2032,
“NLR Configuration for DDC Products”
AN2033,
“Zilker Labs PMBus Command Set - DDC Products”
AN2034,
“Configuring Current Sharing on the ZL2004 and
ZL2006”
AN2035,
“Compensation Using CompZL™”
Applications
• Servers/Storage Equipment
• Telecom/Datacom Equipment
• Power Supply Modules
EN PG PH_EN FC ILIM CFG UVLO V25
VR VDD
100
95
V
OUT
= 3.3V
V
OUT
= 1.5V
POWER
MANAGEMENT
DRIVER
NON-
VOLATILE
MEMORY
PWM
CONTROLLER
DDC
BST
GH
SW
GL
VSEN+
VSEN-
ISENA
ISENB
Efficiency (%)
V
SS
VTRK
MGN
SYNC
90
LDO
85
80
75
70
65
60
55
50
0
V
IN
= 12V
f
SW
= 400kHz
Circuit of Figure
3
4
2
4
6
8
10
12
14
16
18
20
CURRENT
SENSE
TEMP
SENSOR
SCL
SDA
SALRT
I
2
C
MONITOR
ADC
SA
XTEMP
PGND SGND DGND
Load Current (A)
FIGURE 1. BLOCK DIAGRAM
FIGURE 2. EFFICIENCY vs LOAD CURRENT
FN6906 Rev 5.00
December 19, 2013
Page 1 of 35

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Description ADAPTIVE DIGITAL DC-DC CONTROLLE IC REG CTRLR BUCK PMBUS 36QFN IC REG CTRLR BUCK PMBUS 36QFN ADAPTIVE DIGITAL DC-DC CONTROLLE ADAPTIVE DIGITAL DC-DC CONTROLLE ADAPTIVE DIGITAL DC-DC CONTROLLE Digital DC/DC Controller with Drivers and Auto Compensation; QFN36; Temp Range: -40° to 85°C
Output type transistor driver - transistor driver transistor driver transistor driver transistor driver -
Function step down - step down step down step down step down -
Output configuration just - just just just just -
Topology step down - step down step down step down step down -
Number of outputs 1 - 1 1 1 1 -
output stage 1 - 1 1 1 1 -
Voltage - Power Supply (Vcc/Vdd) 3 V ~ 5 V - 3 V ~ 5 V 3 V ~ 5 V 3 V ~ 5 V 3 V ~ 5 V -
Frequency - Switch 200kHz ~ 1.4MHz - 200kHz ~ 1.4MHz 200kHz ~ 1.4MHz 200kHz ~ 1.4MHz 200kHz ~ 1.4MHz -
Duty cycle (maximum) 0.95 - 0.95 0.95 0.95 0.95 -
Synchronous rectifier yes - yes yes yes yes -
Clock synchronization yes - yes yes yes yes -
serial interface I²C,PMBus,SMBus - I²C,PMBus,SMBus I²C,PMBus,SMBus I²C,PMBus,SMBus I²C,PMBus,SMBus -
Control characteristics Current limit, enable, power good, soft start, tracking - Current limit, enable, power good, soft start, tracking Current limit, enable, power good, soft start, tracking Current limit, enable, power good, soft start, tracking Current limit, enable, power good, soft start, tracking -
Operating temperature -40°C ~ 85°C(TA) - -40°C ~ 85°C(TA) -40°C ~ 85°C(TA) -40°C ~ 85°C(TA) -40°C ~ 85°C(TA) -
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