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TPS2HCS10-Q1 Datasheet(PDF) 21 Page - Texas Instruments

Part # TPS2HCS10-Q1
Description  TPS2HCS10-Q1 11.3mΩ, Automotive Dual-Channel, SPI Controlled High-Side Switch With Integrated I2T Wire Protection and Low Power Mode
PDF  121 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TPS2HCS10-Q1 Datasheet(HTML) 21 Page - Texas Instruments

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8.2 Functional Block Diagram
Gate
drive
Output
Clamp
SPI
SPI
Interface
VOUTx
Watchdog
Gate
drive
Configuration
Flags
Output
Clamp
4
VBB
FLT/
WAKE_SIG
Digital
FET Protection
SPI
Diagnostic
Overcurrent protection
(OCP)
VDD
LimpHome
LHI
VDD
MON
MUX
SNS
MUX
ADC
Charge
Pump
GND
Thermal Shutdown
(TSD)
Diagnostics
VOUT Sense
Short-to-battery
detection
VDS Sense
FET Temp Sense
Current sense
MUX
Voltage
Scaling
I
2t Wire Protection
ADCREFHI
GND
GND
GND
GND
GND
Off-state open load
detection
VDS Sense
O -state
OL detec on
O -state
OL detec on
INT
REG
VBB
MON
DI
ISNS_SCALE_CH1
ISNS_SCALE_CH2
Inrush limiting
Current regulation
VINT
Registers
VDD
VREG
VINT
VINT
VREG
VREG
VDD
EN
LPM
VDD
SLEEP
1.5V
REG
EN
OL_ON_EN_CHx
GND
Figure 8-2. TPS2HCS10A-Q1 Functional Block Diagram
DI2
Gate
drive
Output
Clamp
SPI
SPI
Interface
VOUTx
Watchdog
Gate
drive
Configuration
Flags
Output
Clamp
4
VBB
FLT/
WAKE_SIG
Digital
FET Protection
SPI
Diagnostic
Overcurrent protection
(OCP)
VDD
VDD
MON
MUX
SNS
MUX
ADC
Charge
Pump
GND
Thermal Shutdown
(TSD)
Diagnostics
VOUT Sense
Short-to-battery
detection
VDS Sense
FET Temp Sense
Current sense
MUX
Voltage
Scaling
I
2t Wire Protection
ADCREFHI
GND
GND
GND
GND
GND
Off-state open load
detection
VDS Sense
O -state
OL detec on
O -state
OL detec on
INT
REG
VBB
MON
ISNS_SCALE_CH1
ISNS_SCALE_CH2
Inrush limiting
Current regulation
VINT
Registers
VDD
VREG
VINT
VINT
VREG
VREG
VDD
EN
LPM
VDD
SLEEP
1.5V
REG
EN
CH2 direct input
control
DI1
CH1 direct input
control
OL_ON_EN_CHx
GND
Figure 8-3. TPS2HCS10B-Q1 Functional Block Diagram
8.3 Feature Description
8.3.1 Protection Mechanisms
8.3.1.1 Overcurrent Protection
The TPS2HCS10-Q1 device offers the following functions to protect the device from different overcurrent events:
• Capacitive load charging in inrush period
www.ti.com
TPS2HCS10-Q1
SLVSGY2A – OCTOBER 2023 – REVISED OCTOBER 2025
Copyright © 2025 Texas Instruments Incorporated
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