ADS131B26-Q1
Automotive high-voltage battery-pack monitor with six ADC channels for current and voltage sensing
ADS131B26-Q1
- AEC-Q100 qualified for automotive applications
- Temperature grade 1: –40°C to +125°C, T A
- Functional Safety-Compliant
- Developed for functional safety applications
- Documentation available to aid ISO 26262 functional safety system design up to ASIL D
- Systematic capability up to ASIL D
- Hardware capability up to ASIL D
- Two simultaneous-sampling, 24-bit ADCs (ADC1A, ADC1B) for current-shunt measurements:
- Programmable full-scale range:
- ±39 mV to ±312.5 mV
- Supports a wide range of shunt resistor values and current-measurement ranges
- Achieve high-accuracy current-shunt measurements with:
- Offset error: ±1.5 µV (max)
- Gain drift: 20 ppm/°C (max)
- Programmable data rate: 500 SPS to 64 kSPS
- Digital overcurrent comparator per ADC with programmable thresholds for fast overcurrent detection
- Programmable full-scale range:
- Two simultaneous-sampling, 24-bit ADCs (ADC3A, ADC3B) for voltage measurements:
- Programmable data rate: 500 SPS to 64 kSPS
- Programmable full-scale range: ±312.5 mV to ±1.25 V
- Two multiplexed, 16-bit ADCs (ADC2A, ADC2B) for voltage and temperature measurements:
- 8 analog inputs per ADC
- Programmable full-scale range: ±312.5 mV to ±1.25 V
- Channel sequencer
- Monitoring and diagnostic features to mitigate and detect random hardware faults
- Supply-voltage range: 2.9 V to 16 V
- SPI-compatible interface
- 9 GPIOs with PWM capability
The ADS131B26-Q1 is a fully integrated, high-voltage battery pack monitor for automotive electrical vehicle (EV) battery management systems (BMS).
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Functional safety information such as failure modes, effects and diagnostic analysis (FMEDA), safety analysis reports and safety manuals are available. Request now
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Technical documentation
Type | Title | Date | ||
---|---|---|---|---|
* | Data sheet | ADS131B26-Q1 Automotive High-Voltage Battery Pack Monitor With SPI and6 ADC Channels for Voltage, Current, and Temperature Sensing datasheet (Rev. A) | PDF | HTML | 24 Jul 2023 |
Application note | Digital Filter Types in Delta-Sigma ADCs (Rev. A) | PDF | HTML | 29 Mar 2023 | |
Certificate | ADS131B26Q1EVM-PDK EU RoHS Declaration of Conformity (DoC) | 29 Sep 2022 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.
ADS131B26Q1EVM-PDK — ADS131B26 performance demonstration kit for six-ADC-channel high-voltage SPI battery-pack monitor
The ADS131B26-Q1 evaluation module (EVM) performance demonstration kit (PDK) is a complete evaluation and demonstration platform that combines the ADS131B26Q1EVM and a precision host interface (PHI) controller board. The PHI controller board allows the ADS131B26Q1EVM to connect to a computer via a (...)
ADC-DESIGN-CALC — Online design calculator tool for TI Precision ADCs
Supported products & hardware
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Isolated ADCs
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The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
Supported products & hardware
Products
Precision op amps (Vos<1mV)
General-purpose op amps
Audio op amps
Transimpedance amplifiers
High-speed op amps (GBW ≥ 50 MHz)
Power op amps
Video amplifiers
Line drivers
Transconductance amplifiers & laser drivers
Fully differential amplifiers
Precision ADCs
Biosensing AFEs
High-speed ADCs (≥10 MSPS)
Receivers
Touchscreen controllers
Difference amplifiers
Instrumentation amplifiers
Audio line receivers
Analog current-sense amplifiers
Digital power monitors
Analog current-sense amplifiers with integrated shunt resistor
Digital power monitors with integrated shunt resistor
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PSPICE-FOR-TI — PSpice® for TI design and simulation tool
TINA-TI — SPICE-based analog simulation program
Package | Pins | CAD symbols, footprints & 3D models |
---|---|---|
HTQFP (PHP) | 48 | Ultra Librarian |
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