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TPS65310A-Q1 Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS65310A-Q1
Description  High-Voltage Power-Management IC For Automotive Safety Applications
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS65310A-Q1 Datasheet(HTML) 5 Page - Texas Instruments

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1
14
42
29
VSSENSE
VIN
GPFET
VINPROT
HSCTRL
HSSENSE
WAKE
EXTSUP
VREG
BOOT1
GU
PH1
GL
PGND1
BOOT3
VSUP3
PH3
PGND3
VMON3
COMP3
VSENSE3
VSENSE2
COMP2
VMON2
PGND2
PH2
VSUP2
BOOT2
TPS65310A-Q1
www.ti.com
SLVSC15E – MAY 2013 – REVISED OCTOBER 2014
6 Pin Configuration and Functions
Pin Functions
PIN
PULLUP
I/O(1)
DESCRIPTION
PULLDOWN
NAME
NO.
VSSENSE
1
-
I
Input to monitor the battery line for undervoltage conditions. UV is indicated by the IRQ pin.
Unprotected supply input for the base functionality and band gap 1. Supplied blocks are: RESET, WD,
VIN
2
-
I
wake, SPI, temp sensing, voltage monitoring and the logic block.
GPFET
3
-
O
Gate driver external protection PMOS FET.
VINPROT
4
-
I
Main input supply pin (gate drivers and bandgap2)
HSCTRL
5
-
O
High-side gate driver output
HSSENSE
6
-
I
Sense input high side and LED
WAKE
7
pulldown
I
Wake up input
EXTSUP
8
-
I
Optional LV input for gate driver supply
VREG
9
-
O
Internal regulator for gate driver supply (decoupling) and VREF
BOOT1
10
-
I
The capacitor on these pins acts as the voltage supply for the high-side MOSFET gate-drive circuitry.
GU
11
-
O
Gate driver – high-side FET
PH1
12
-
O
Switching node - BUCK1 (floating ground for high-side FET driver)
GL
13
-
O
Gate driver – low-side FET
PGND1
14
-
O
Ground for low-side FET driver
S1
15
-
I
Differential current sense inputs for BUCK1, S2 pull-down only active in RAMP and ACTIVE state
S2
16
pulldown
I
VMON1
17
-
I
Input pin for the independent voltage monitor at BUCK1
COMP1
18
-
O
Error amplifier output for the switching controller. External compensation network is connected to this node.
Input for externally sensed voltage of the output using a resistor divider network from their respective
VSENSE1
19
-
I
output line to ground.
(1)
Description of pin type: I = Input; O = Output; OD = Open-drain output
Copyright © 2013–2014, Texas Instruments Incorporated
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