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TPS4141-Q1

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스위치가 통합된 차량용 1200V 구성 가능 정밀 저항 분할기

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TPS4141-Q1

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FET Internal Number of channels 1 Switching voltage (max) (V) 1200 Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 20 Rating Automotive Features Integrated Switching FET, Integrated gain setting Operating temperature range (°C) -40 to 125 OFF-state leakage current (µA) 3.5
FET Internal Number of channels 1 Switching voltage (max) (V) 1200 Supply voltage (min) (V) 4.5 Supply voltage (max) (V) 20 Rating Automotive Features Integrated Switching FET, Integrated gain setting Operating temperature range (°C) -40 to 125 OFF-state leakage current (µA) 3.5
SOIC (DWQ) 11 106.09 mm² 10.3 x 10.3
  • Qualified for automotive applications
    • AEC-Q100 grade 1: –40°C to 125°C ambient operating temperature
  • Integrated high-voltage resistor divider
    • 30MΩ total resistance, precision matched divider
    • No exposed high-impedance nodes improves measurement integrity from board contaminants
  • Integrated high-voltage disconnect switch
    • 1200V standoff voltage, uni-directional blocking
    • <1.5µA leakage at TA = 105°C
  • High accuracy divider and precision buffer amplifier
    • Buffered output for easy interfacing to analog-to-digital converters
    • Dynamically selectable gain settings to maximize accuracy across high-voltage sensing range
    • Typical gain error ± 0.15%
    • Maximum input offset error ± 220mV
  • Support for uni-directional and bi-directional voltage sensing up to ±1200V
  • Dynamic switching between uni-directional and bi-directional voltage sensing operation
  • Low supply current
    • 5mA ON state current
    • 5.5µA OFF state current
  • SOIC (DWQ-11) package
    • Creepage and clearance ≥8mm from high-voltage sensing pin to all other pins
  • Qualified for automotive applications
    • AEC-Q100 grade 1: –40°C to 125°C ambient operating temperature
  • Integrated high-voltage resistor divider
    • 30MΩ total resistance, precision matched divider
    • No exposed high-impedance nodes improves measurement integrity from board contaminants
  • Integrated high-voltage disconnect switch
    • 1200V standoff voltage, uni-directional blocking
    • <1.5µA leakage at TA = 105°C
  • High accuracy divider and precision buffer amplifier
    • Buffered output for easy interfacing to analog-to-digital converters
    • Dynamically selectable gain settings to maximize accuracy across high-voltage sensing range
    • Typical gain error ± 0.15%
    • Maximum input offset error ± 220mV
  • Support for uni-directional and bi-directional voltage sensing up to ±1200V
  • Dynamic switching between uni-directional and bi-directional voltage sensing operation
  • Low supply current
    • 5mA ON state current
    • 5.5µA OFF state current
  • SOIC (DWQ-11) package
    • Creepage and clearance ≥8mm from high-voltage sensing pin to all other pins

The TPS4141-Q1 is a high-voltage, precision matched resistor divider with an integrated programmable-gain amplifier. The TPS4141-Q1 also integrates a high-voltage switch to allow for connecting or disconnecting the high-voltage sense pin. The device is designed for automotive and industrial applications where accurate, high-voltage measurements are required.

The TPS4141-Q1 programmable-gain amplifier supports four divider ratios using DIV0 and DIV1 inputs. DIV0 and DIV1 can be set to fixed divider ratios and may also be changed dynamically while in operation. This allows for matching the amplifier output (AOUT) to the full-scale input voltage of the analog-to-digital signal chain, improving accuracy over the entire voltage sensing range of interest.

The TPS4141-Q1 supports uni-directional or bi-directional voltage measurement. Bi-directional voltage measurement is supported by supplying an external precision voltage reference from REF to HVGND. Switching between bi-directional and uni-directional voltage sensing during operation is possible using DIV0 and DIV1. Connecting REF to HVGND provides uni-directional voltage sensing only.

The TPS4141-Q1 integrates a high-voltage switch with a standoff voltage greater than 1200V from the high-voltage sense pin (HV) to ground (HVGND). The switch provides uni-directional current blocking from HV to HVGND when disconnected.

The TPS4141-Q1 is a high-voltage, precision matched resistor divider with an integrated programmable-gain amplifier. The TPS4141-Q1 also integrates a high-voltage switch to allow for connecting or disconnecting the high-voltage sense pin. The device is designed for automotive and industrial applications where accurate, high-voltage measurements are required.

The TPS4141-Q1 programmable-gain amplifier supports four divider ratios using DIV0 and DIV1 inputs. DIV0 and DIV1 can be set to fixed divider ratios and may also be changed dynamically while in operation. This allows for matching the amplifier output (AOUT) to the full-scale input voltage of the analog-to-digital signal chain, improving accuracy over the entire voltage sensing range of interest.

The TPS4141-Q1 supports uni-directional or bi-directional voltage measurement. Bi-directional voltage measurement is supported by supplying an external precision voltage reference from REF to HVGND. Switching between bi-directional and uni-directional voltage sensing during operation is possible using DIV0 and DIV1. Connecting REF to HVGND provides uni-directional voltage sensing only.

The TPS4141-Q1 integrates a high-voltage switch with a standoff voltage greater than 1200V from the high-voltage sense pin (HV) to ground (HVGND). The switch provides uni-directional current blocking from HV to HVGND when disconnected.
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* Data sheet TPS4141-Q1 Automotive 1200V Configurable Precision Resistor Divider With Integrated Switch datasheet (Rev. A) PDF | HTML 2025/05/30
Application note Using Integrated Designs to Optimize High-Voltage Measurement PDF | HTML 2025/08/04

설계 및 개발

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평가 보드

TPS4141Q1EVM — TPS4141-Q1 평가 모듈

The TPS4141-Q1 evaluation module (EVM) contains multiple test points and jumpers to fully evaluate the performance and functionality of the TPS4141-Q1 device. The evaluation module contains everything needed to test and assess the TPS4141-Q1 before designing into part of a greater application's (...)

사용 설명서: PDF | HTML
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계산 툴

HV-MONITORING-RANGE-ACCURACY-CALC — TPS4141-Q1 Design Calculator

Spreadsheet calculator to help determine High Voltage measurement range and accuracy based on customer requirements.
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  • TPS4141-Q1 — 스위치가 통합된 차량용 1200V 구성 가능 정밀 저항 분할기
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