Texas Instruments TPS4141-Q1 Configurable Precision Resistor Divider
Texas Instruments TPS4141-Q1 Configurable Precision Resistor Divider is a high-voltage, precision-matched resistor divider with an integrated programmable-gain amplifier. The Texas Instruments TPS4141-Q1 also integrates a high-voltage switch that allows connecting or disconnecting the high-voltage sense pin. The device is designed for automotive and industrial applications that require accurate, high-voltage measurements.
Features
- Qualified for automotive applications with 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 improve measurement integrity from board contaminants
- Integrated high-voltage disconnect switch
- 1200V standoff voltage, unidirectional 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 the high-voltage sensing range
- Typical gain error of ±0.15%
- Maximum input offset error of ±240mV
- Support for unidirectional and bidirectional voltage sensing up to ±1200V
- Dynamic switching between unidirectional and bidirectional voltage sensing operation
- Low supply current
- 5mA ON state current
- 5.5µA OFF state current
- SOIC (DWQ-11) package with creepage and clearance ≥ 8mm from high-voltage sensing pin to all other pins
- Functional safety capable, with documentation available to aid in ISO 26262 and IEC 61508 system design
Applications
- Hybrid, electric, and power train systems
- Battery management systems (BMS)
- Solar energy
Simplified Application Schematic
Development Tool
Texas Instruments TPS4141Q1EVM Hardware Evaluation Module (EVM)
Contains multiple test points & jumpers to evaluate the TPS4141-Q1's performance and functionality.
Published: 2026-09-08
| Updated: 2026-09-18