TPS65258RHAT datasheet(3/32 Pages) TI1

Part #	TPS65258RHAT

Description	4.5-V TO 16-V INPUT, HIGH CURRENT, SYNCHRONOUS STEP DOWN THREE DC-DC CONVERTERS WITH INTEGRATED FET AND 2 USB SWITCHES

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Manufacturer	TI1 [Texas Instruments]

Direct Link	http://www.ti.com

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3 / 32 page

BUCK1

BUCK2

BUCK3

V3V

V7V

USB 2_VIN

CLOCK

ROSC

V

PULL

PG&RST

generator

VIN1

RLIM1

EN1

BST1

LX1

FB1

CMP

1

BST 2

LX2

FB 2

CMP 2

BST3

LX3

FB3

CMP3

PGOOD

USB2_ EN

12V

SS 1

VIN2

RLIM2

EN2

SS 2

VIN3

RLIM3

EN3

SS 3

V

PULL

USB 2_VO

CV3P3

CV7

ROSC

CSS1

CSS2

CSS3

RILIM1

RILIM2

RILIM3

CUSB_0

CBST1

CBST2

CBST3

LDC1

LDC2

LDC3

RCMP1

CCMP1

RCMP2

CCMP2

RCMP3

CCMP3

RFB1U

RFB1L

RFB2U

RFB2L

RFB3U

RFB3L

CODC2

CODC3

CODC1

CIDC1

CIDC2

CIDC3

CUSB_IN

for sequenced

start-up

External enable

for sequenced

start-up

for sequenced

start-up

+

F_PWM

Forced PWM

CCMP22

CCMP11

Biasing

0.8V

1µA

VPULL

USB1 _EN

USB 1_VO

CUSB_0

CUSB_IN

USB_SWITCHES

CCMP33

USB 1_VIN

High for forced PWM

Low por autoamtic PFM

/PWM mode

From Host

USB 2_nFAULT

USB 1_nFAULT

TPS65258

www.ti.com

SLVSAB31

– SEPTEMBER 2011

This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with

appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.

ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more

susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.

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