TPS53632

PWM1

SKIP

PWM2

Control BUS

Driver

Power

Block

PWM3

Power Stage

Driver

Power

Block

Power Stage

Driver

Power

Block

Power Stage

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Folder

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TPS53632

SLUSBW8 – SEPTEMBER 2014

TPS53632 3-2-1 Phase D-CAP+™ Step-Down Driverless Controller

1 Features

3 Description

The TPS53632 device is a driverless step-down

1

•

Selectable Phase Count: (3, 2, or 1)

controller with serial control. Advanced features such

•

as

D-CAP+

architecture

provide

fast

transient

Eight Device Addresses

response,

lowest

output

capacitance

and

high

•

D-CAP+™ Control for Fast Transient Response

efficiency.

The

TPS53632

device

supports

the

•

Dynamic Phase Add and Drop Operation

the output voltage and current monitor telemetry. It

•

Switching Frequency: 300 kHz to 1 MHz

also has dynamic phase add and drop control and

•

Digital Current Monitor

enters

single-phase,

discontinuous-current-mode

operation to maximize light-load efficiency.

•

7-Bit, DAC Output Range: 0.50 V to 1.52 V

•

Optimized Efficiency at Light and Heavy Loads

slew rate and voltage positioning. The TPS51604

•

Accurate, Adjustable Voltage Positioning or Zero

device

driver

is

designed

specifically

for

this

Slope Load-Line

generation of controllers. In addition, the TPS53632

•

Patented AutoBalance™ Phase Balancing

device can be used along with the TI power stage

•

Selectable, 8-Level Current Limit

devices (driver MOSFETs). The TPS53632 device is

packaged in a space saving, thermally enhanced, 32-

•

2.5-V to 24-V Conversion Voltage Range

pin VQFN package and is rated to operate at a range

•

Default Boot Voltage: 1.00 V

between –10°C and 105°C.

•

Small, 4-mm x 4-mm, 32-Pin, VQFN PowerPAD

Package

Device Information

PART NUMBER

PACKAGE

BODY SIZE

2 Applications

TPS53632

VQFN

4 mm × 4 mm

•

High-Current, Low-Voltage Applications

•

Core Power for Microservers, Custom

Microcontrollers, ASICs

Simplified Schematic

1

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.