PIFE32251B-R68MS datasheet(63/157 Pages) TI1

tên linh kiện	PIFE32251B-R68MS

Giải thích chi tiết về linh kiện	Simple and Flexible Wide Input Voltage PMU for Mobile Computers

PDF	157 Pages

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nhà sản xuất	TI1 [Texas Instruments]

Trang chủ	http://www.ti.com

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63 / 157 page

ENABLE

ENVRx

VRx

VOUT

POWERGOOD

VOUT

FBVRxP

PGVRx

Lout

Cout

0.90*VREF

Vout

(Enable)

time

PGVRx

(Powergood)

30 us

deglitch

ENVRx

PWRGD

threshold

ENVRx

FBVRxP

(Vout)

1.10*VREF

PGVRx

Programmable

Discharge

Resistance

VREF

TPS650830

www.ti.com

SLVSCF4A – DECEMBER 2014 – REVISED JULY 2016

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Product Folder Links: TPS650830

Detailed Description

6.3.11 Enable and Powergood of VRs

The VRs are enabled by the ENVRx pins. The powergood is output on the PGVRx pins. The powergood

pins can be defined as open-drain or push-pull output, depending on the function in order to allow

"ANDing" or to reduce external components and quiescent current. there is a 30-µs deglitch on both edges

of the powergood comparator outputs. A status register monitors the powergood outputs, and the

powergood tree monitors the powergood for proper sequence and protection. The powergood signals can

be masked by a register.

Figure 6-12. Enable and Powergood of VRs

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