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類比轉數位轉換器 (ADC)
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ADS131B26-Q1

現行

具有六個 ADC 通道且適用電流和電壓感測的車用高電壓電池組監控器

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產品規格表

ADS131B26-Q1

現行
產品規格表 立即訂購

產品詳細資料

Resolution (Bits) 24 Sample rate (max) (ksps) 64 Number of input channels 6 Interface type SPI Architecture Delta-Sigma Input type Differential, Pseudo-Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Automotive TI functional safety category Functional Safety-Compliant Reference mode Internal Input voltage range (max) (V) 2.4 Input voltage range (min) (V) -0.3 Features Comparator, GPIO, Oscillator, PGA, Temp Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 37.5 Analog supply voltage (min) (V) 2.9 Analog supply voltage (max) (V) 16 Digital supply (min) (V) 2.9 Digital supply (max) (V) 16
Resolution (Bits) 24 Sample rate (max) (ksps) 64 Number of input channels 6 Interface type SPI Architecture Delta-Sigma Input type Differential, Pseudo-Differential, Single-ended Multichannel configuration Simultaneous Sampling Rating Automotive TI functional safety category Functional Safety-Compliant Reference mode Internal Input voltage range (max) (V) 2.4 Input voltage range (min) (V) -0.3 Features Comparator, GPIO, Oscillator, PGA, Temp Sensor Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 37.5 Analog supply voltage (min) (V) 2.9 Analog supply voltage (max) (V) 16 Digital supply (min) (V) 2.9 Digital supply (max) (V) 16
HTQFP (PHP) 48 81 mm² 9 x 9
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Compliant
  • Two simultaneous-sampling, 24-bit ADCs (ADC1A, ADC1B) for current-shunt measurements:
    • Programmable full-scale range:
      • ±39mV to ±312.5mV
      • Supports a wide range of shunt resistor values and current-measurement ranges
    • Achieve high-accuracy current-shunt measurements with:
      • Offset error: ±1.5µV (max)
      • Gain drift: 20ppm/°C (max)
    • Programmable data rate: 500SPS to 64kSPS
    • Digital overcurrent comparator per ADC with programmable thresholds for fast overcurrent detection
  • Two simultaneous-sampling, 24-bit ADCs (ADC3A, ADC3B) for voltage measurements:
    • Programmable data rate: 500SPS to 64kSPS
    • Programmable full-scale range:±312.5mV to ±1.25V
  • Two multiplexed, 16-bit ADCs (ADC2A, ADC2B) for voltage and temperature measurements:
    • 8 analog inputs per ADC
    • Programmable full-scale range:±312.5mV to ±1.25V
    • Channel sequencer
  • Monitoring and diagnostic features to mitigate and detect random hardware faults
  • Supply-voltage range: 2.9V to 16V
  • SPI-compatible interface
  • 9 GPIOs with PWM capability
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, TA
  • Functional Safety-Compliant
  • Two simultaneous-sampling, 24-bit ADCs (ADC1A, ADC1B) for current-shunt measurements:
    • Programmable full-scale range:
      • ±39mV to ±312.5mV
      • Supports a wide range of shunt resistor values and current-measurement ranges
    • Achieve high-accuracy current-shunt measurements with:
      • Offset error: ±1.5µV (max)
      • Gain drift: 20ppm/°C (max)
    • Programmable data rate: 500SPS to 64kSPS
    • Digital overcurrent comparator per ADC with programmable thresholds for fast overcurrent detection
  • Two simultaneous-sampling, 24-bit ADCs (ADC3A, ADC3B) for voltage measurements:
    • Programmable data rate: 500SPS to 64kSPS
    • Programmable full-scale range:±312.5mV to ±1.25V
  • Two multiplexed, 16-bit ADCs (ADC2A, ADC2B) for voltage and temperature measurements:
    • 8 analog inputs per ADC
    • Programmable full-scale range:±312.5mV to ±1.25V
    • Channel sequencer
  • Monitoring and diagnostic features to mitigate and detect random hardware faults
  • Supply-voltage range: 2.9V to 16V
  • 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).

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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重要文件 類型 標題 格式選項 日期
* Data sheet ADS131B26-Q1 Automotive, High-Voltage Battery Pack Monitor With SPI and 6 ADC Channels for Voltage, Current, and Temperature Sensing datasheet (Rev. B) PDF | HTML 2025年 1月 31日
Circuit design 來自 +5V 供電電源且用於高電壓資料轉換器的精密、±15V 電 源供應電路 PDF | HTML 2025年 12月 9日
Application note Digital Filter Types in Delta-Sigma ADCs (Rev. A) PDF | HTML 2023年 3月 29日

設計與開發

如需其他條款或必要資源，請按一下下方的任何標題以檢視詳細頁面 (如有)。

開發板

ADS131B26Q1EVM-PDK — 適用六 ADC 通道高電壓 SPI 電池組監控器的 ADS131B26 性能展示套件

ADS131B26-Q1 評估模組 (EVM) 性能展示套件 (PDK) 是一款結合 ADS131B26Q1EVM 和精確主機介面 (PHI) 控制器板的完整評估與展示平台。PHI 控制器板可讓 ADS131B26Q1EVM 透過 USB 埠連接電腦，並與設計用於評估 ADS131B26-Q1 的軟體介接。

使用指南: PDF | HTML
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ADS131B2X-C-EXAMPLE-CODE — ADS131B2x example C code

Expedite your ADS131B2x firmware development with this example C code from Texas Instruments
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ADS131B2x IBIS Model

SBAM497.IBS (176 KB) - IBIS Model
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ADC-DESIGN-CALC — Online design calculator tool for TI Precision ADCs

ADC-DESIGN-CALC is an online resource with multiple ADC calculator tools (such as Digital Filter Response, Code-to-Voltage, CMR, CRC, etc.) for TI Precision ADCs.
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ANALOG-ENGINEER-CALC — PC software analog engineer's calculator

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 (...)

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模擬工具

PSPICE-FOR-TI — PSpice® for TI 設計與模擬工具

PSpice® for TI 是有助於評估類比電路功能的設計和模擬環境。這款全功能設計和模擬套件使用 Cadence® 的類比分析引擎。PSpice for TI 包括業界最大的模型庫之一，涵蓋我們的類比和電源產品組合，以及特定類比行為模型，且使用無需支付費用。

PSpice for TI 設計和模擬環境可讓您使用其內建函式庫來模擬複雜的混合訊號設計。在進行佈局和製造之前，建立完整的終端設備設計和解決方案原型，進而縮短上市時間並降低開發成本。 

在 PSpice for TI 設計與模擬工具中，您可以搜尋 TI (...)
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TINA-TI — 基於 SPICE 的類比模擬程式

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
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