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TPS53632G Datasheet(PDF) 1 Page - Texas Instruments

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Part # TPS53632G
Description  D-CAP??Half-Bridge PWM Controller Optimized for GaN-based 48-V DC/DC Converter with I2C Interface
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS53632G Datasheet(HTML) 1 Page - Texas Instruments

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background image
SW
PGND
HS
LI
GaN Driver
VCC
AGND
HO
HB
HI
LO
8
9
VIN
1
HI
LI
4
5
HS
3
HB
2
VCC
6
AGND
7
LMG5200
I
2
C BUS
TPS53632G
PWM_H
PWM_L
UCC27523
OUTA
OUTB
INA
INB
Copyright © 2016, Texas Instruments Incorporated
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An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
TPS53632G
SLUSCJ3A – APRIL 2016 – REVISED JUNE 2016
TPS53632G D-CAP+™ Half-Bridge PWM Controller
Optimized for GaN-based 48-V DC/DC Converter with I2C Interface
1
1 Features
1
Valley Current Mode with Constant ON Time
Control
Lossless Current Sensing Scheme
I2C Interface for VID Control and Telemetry
Programmable I2C Addresses up to Eight Devices
Switching Frequency up to 1 MHz
Digital Current Monitor
7-Bit, DAC Output Range: 0.50-V to 1.52-V with
10-mV Step
Accurate, Adjustable Voltage Positioning or Zero
Slope Load-Line
Selectable, 8-Level Current Limit
Adjustable Output Slew Rate Control
Default Boot Voltage: 1.00 V
Small, 4-mm × 4-mm, 32-Pin, VQFN, PowerPAD
Package
2 Applications
48-V Point-of-Load (POL) for Data Center and
Telecommunication
Wide Input Range Power Supplies for Industrial
3 Description
The TPS53632G device is a half-bridge PWM
controller with D-CAP+™ architecture that provides
fast transient response, lowest output capacitance
and high efficiency in single stage conversion directly
from 48-V bus. The TPS53632G device supports the
standard I2C Rev 3.0 interface for dynamic control of
the output voltage and current monitor telemetry.
Paired with TI GaN power stages and drivers, the
TPS53632G can switch up to 1 MHz to minimize
magnetic component size and reduce overall board
space. The LMG5200 GaN power stage is designed
specifically
for
this
controller
to
achieve
high
frequency and efficiency as high as 92% with 48-V to
1-V conversion.
Other features include adjustable control of output
slew rate and voltage positioning. In addition, the
TPS53632G device can be used along with other TI
discrete power MOSFETs and drivers for silicon-
based half bridge solutions. The TPS53632G device
is packaged in a space saving, thermally enhanced,
32-pin VQFN package and is rated to operate at a
range between –10°C and 105°C.
Device Information
PART NUMBER
PACKAGE
BODY SIZE
TPS53632G
VQFN
4 mm × 4 mm
WHITESPACE
WHITESPACE
Simplified Schematic


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