EMB1499Q - EMB1499Q 双向电流 DC/DC 控制器

EMB1499Q是TI德州仪器公司的一款电池监控,保护及认证解决方案产品，EMB1499Q是EMB1499Q 双向电流 DC/DC 控制器，本站介绍了EMB1499Q的封装应用图解、特点和优点、功能等，并给出了与EMB1499Q相关的TI元器件型号供参考。

EMB1499Q - EMB1499Q 双向电流 DC/DC 控制器 - 电池监控,保护及认证解决方案 - 电池管理产品 - 德州仪器

产品描述

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.

产品特性

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)

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