製品詳細

Number of series cells (min) 6 Vin (max) (V) 5.5 Features Cell balancing, Multi-cell support, Separate MCU requirement Device type Cell monitor and balancer Number of series cells (max) 14 Operating temperature range (°C) -40 to 125 Rating Automotive Communication interface SPI Operating current (typ) (µA) 1000
Number of series cells (min) 6 Vin (max) (V) 5.5 Features Cell balancing, Multi-cell support, Separate MCU requirement Device type Cell monitor and balancer Number of series cells (max) 14 Operating temperature range (°C) -40 to 125 Rating Automotive Communication interface SPI Operating current (typ) (µA) 1000
HTSSOP (PWP) 28 62.08 mm² 9.7 x 6.4
  • 60-V Maximum Stack Operating Voltage
  • Bidirectional Balancing Current
  • Fully Synchronous Operation
  • Active Clamp Signal
  • 250-kHz Switching Frequency
  • Fault Detection Includes Two Separate UVLO Cells
    (One for Each External Supply), Primary and
    Secondary Side Current Limit, OVP/UVP Sense on
    Cell Being Charged, Thermal Shutdown, and
    Watchdog Timer
  • Balancing Current User-selectable Through
    External Voltage
  • EMB1499Q is an Automotive Grade Product
    that is AEC-Q100 Grade 1 Qualified
    (–40°C to +125°C Operating Junction Temperature)
  • 60-V Maximum Stack Operating Voltage
  • Bidirectional Balancing Current
  • Fully Synchronous Operation
  • Active Clamp Signal
  • 250-kHz Switching Frequency
  • Fault Detection Includes Two Separate UVLO Cells
    (One for Each External Supply), Primary and
    Secondary Side Current Limit, OVP/UVP Sense on
    Cell Being Charged, Thermal Shutdown, and
    Watchdog Timer
  • Balancing Current User-selectable Through
    External Voltage
  • EMB1499Q is an Automotive Grade Product
    that is AEC-Q100 Grade 1 Qualified
    (–40°C to +125°C Operating Junction Temperature)

The EMB1499Q bidirectional current dc/dc controller IC works in conjunction with the EMB1428 switch matrix gate driver IC to support TI’s switch matrix based active cell balancing scheme for a battery management system. The EMB1499Q provides three PWM MOSFET gate signals to a bidirectional forward converter so that its output current, either positive or negative, is regulated around a user-defined magnitude. This inductor current is channeled by the EMB1428 through the switch matrix to the cell that needs to be charged or discharged. In a typical scheme, the EMB1499Q-based forward converter exchanges energy between a single cell and the battery stack to which it belongs, with a maximum stack voltage of up to 60 V. The switching frequency is fixed at 250 kHz. The EMB1499Q senses cell voltage, inductor current and stack current and provides protection from abnormal conditions during balancing.

The EMB1499Q also provides an active clamp timing signal to control an external FET driver for the primary-side active clamp FET. The EMB1499Q is enabled and disabled by the EMB1428. Fault conditions detected by the EMB1499Q are communicated to the EMB1428 through the DONE and FAULT pins.

The EMB1499Q bidirectional current dc/dc controller IC works in conjunction with the EMB1428 switch matrix gate driver IC to support TI’s switch matrix based active cell balancing scheme for a battery management system. The EMB1499Q provides three PWM MOSFET gate signals to a bidirectional forward converter so that its output current, either positive or negative, is regulated around a user-defined magnitude. This inductor current is channeled by the EMB1428 through the switch matrix to the cell that needs to be charged or discharged. In a typical scheme, the EMB1499Q-based forward converter exchanges energy between a single cell and the battery stack to which it belongs, with a maximum stack voltage of up to 60 V. The switching frequency is fixed at 250 kHz. The EMB1499Q senses cell voltage, inductor current and stack current and provides protection from abnormal conditions during balancing.

The EMB1499Q also provides an active clamp timing signal to control an external FET driver for the primary-side active clamp FET. The EMB1499Q is enabled and disabled by the EMB1428. Fault conditions detected by the EMB1499Q are communicated to the EMB1428 through the DONE and FAULT pins.

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種類 タイトル 最新の英語版をダウンロード 日付
* データシート EMB1499Q Bidirectional Current DC-DC Controller データシート (Rev. B) 2013年 9月 23日
ユーザー・ガイド Active Chipset Reference Design Guide (Rev. A) 2017年 9月 5日
ユーザー・ガイド EM1402 Evaluation Module PDF | HTML 2017年 2月 1日
技術記事 How batteries may make travel on Mars easier PDF | HTML 2016年 1月 27日

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HTSSOP (PWP) 28 Ultra Librarian

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記載されている情報:
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