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TPS4141-Q1

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스위치가 통합된 차량용 1200V 구성 가능 정밀 저항 분할기

제품 상세 정보

FET Internal Number of channels 1 Supply voltage (max) (V) 20 Supply voltage (min) (V) 4.5 Switching voltage (max) (V) 1200 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 Supply voltage (max) (V) 20 Supply voltage (min) (V) 4.5 Switching voltage (max) (V) 1200 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

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평가 보드

TPS4141Q1EVM — TPS4141-Q1 평가 모듈

TPS4141Q1EVM은 장치의 성능 및 기능을 모두 평가할 수 있도록 다양한 테스트 포인트와 점퍼가 포함된 하드웨어 평가 모듈(EVM)입니다. 이 평가 모듈에는 상위 애플리케이션의 전원 시스템의 일부로 설계하기 전에 TPS4141Q1을 테스트하고 평가하는 데 필요한 모든 것이 포함되어 있습니다. TPS4141Q1EVM은 단독으로 사용하거나 장치의 활성화 및 구성 로직 신호를 구동하기 위해 선택적으로 외부 마이크로컨트롤러와 함께 사용할 수 있습니다. 최적화된 ADC 성능을 위한 조정 가능한 감지 전압 게인 및 양방향 전압 (...)

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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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