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TPS650242RHBRG4 Datasheet(PDF) 5 Page - Texas Instruments

Part # TPS650242RHBRG4
Description  Power Management ICs for Li-Ion Powered Systems
Download  38 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS650242RHBRG4 Datasheet(HTML) 5 Page - Texas Instruments

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TPS650240, TPS650241, TPS650242
TPS650243, TPS650244, TPS650245
www.ti.com
SLVS774C – JUNE 2007 – REVISED JANUARY 2016
Pin Functions (continued)
PIN
I/O
DESCRIPTION
NAME
NO.
Power supply for digital and analog circuitry of DCDC1, DCDC2, and DCDC3 DC-DC converters. This must
VCC
29
I
be connected to the same voltage supply as VINDCDC3, VINDCDC1, and VINDCDC2.
VDCDC1
8
I
VDCDC1 feedback voltage sense input, connect directly to VDCDC1
VDCDC2
25
I
VDCDC2 feedback voltage sense input, connect directly to VDCDC2
VDCDC3
1
I
VDCDC3 feedback voltage sense input, connect directly to VDCDC3
Input voltage for VDCDC1 step-down converter. This must be connected to the same voltage supply as
VINDCDC1
5
I
VINDCDC2, VINDCDC3, and VCC.
Input voltage for VDCDC2 step-down converter. This must be connected to the same voltage supply as
VINDCDC2
28
I
VINDCDC1, VINDCDC3, and VCC.
Input voltage for VDCDC3 step-down converter. This must be connected to the same voltage supply as
VINDCDC3
4
I
VINDCDC1, VINDCDC2, and VCC.
LDO REGULATOR SECTION
EN_LDO
17
I
Enable input for LDO1 and LDO2. Logic high enables the LDOs, logic low disables the LDOs.
EN_Vdd_alive
24
I
Enable input for Vdd_alive LDO. Logic high enables the LDO, logic low disables the LDO.
FB_LDO1
11
I
Feedback pin for LDO1
FB_LDO2
10
I
Feedback pin for LDO2
Vdd_alive
12
O
Output voltage for Vdd_alive
VINLDO
15
I
Input voltage for LDO1 and LDO2
VLDO1
16
O
Output voltage of LDO1
VLDO2
14
O
Output voltage of LDO2
CONTROL AND I2C SECTION
Select between power safe mode and forced PWM mode for DCDC1, DCDC2, and DCDC3. In power safe
MODE
23
I
mode PFM is used at light loads, PWM for higher loads. If PIN is set to high level, forced PWM mode is
selected. If the pin has low level, then the device operates in power safe mode.
PWRFAIL
21
O
Open-drain output. Active low when PWRFAIL comparator indicates low VBAT condition.
PWRFAIL_SNS
30
I
Input for the comparator driving the PWRFAIL output
Copyright © 2007–2016, Texas Instruments Incorporated
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Product Folder Links: TPS650240 TPS650241 TPS650242 TPS650243 TPS650244 TPS650245


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