适用于 1 至 4 节超级电容器电池的 800mA 线性充电器

The BQ25173 is an integrated 800-mA linear charger for 1- to 4-cell supercapacitors targeted at space-limited applications. The device has a single power output that charges the supercapacitor. The system load can be placed in parallel with the supercapacitor; the charge current is shared between th • Input voltage up-to 40-V tolerant\n• 350-nA leakage current\n• Supports 1- to 4-cell supercapacitor\n• External resistor programmable operation \n• ISET to set charge current from 10 mA to 800 mA\n• High accuracy \n• ±10% charge current accuracy\n• Charging features \n• Open-drain output for s;

BQ25173: 800-mA Linear Charger for 1- to 4-Cell Supercapacitor

文件：2.92787 Mbytes Page：31 Pages

BQ25173-Q1 Automotive, Standalone 800-mA Linear Battery Charger for 1- to 4-Cell Supercapacitor

1 Features • AEC-Q100 qualified for automotive applications – Temperature grade 1: –40°C ≤ TA ≤ 125°C – HBM ESD classification level 2 – CDM ESD classification level C4B • 40-V load-dump tolerant to support charging backup supercapacitor, 3-V to 18-V operating • Automatic Sleep mode for low

适用于 1 节至 4 节电池超级电容器、具有状态引脚的汽车类 800mA 可编程线性充电器

BQ25173-Q1 是一款符合汽车标准的 800mA 线性充电器，适用于面向空间受限型应用的 1-4 节超级电容器。 该器件具有为超级电容器充电的单电源输出。可以将系统负载与超级电容器并联，并且充电电流由系统和超级电容器共享。\n\n在充电期间，内部控制环路会监视 IC 结温并在超过内部温度阈值 T REG 时减小充电电流。此功能可为完全放电的超级电容器提供快速充电。\n\n充电器功率级和充电电流检测功能均完全集成。该充电器具有高精度电流和电压调节环路功能、充电状态显示和充电功能控制。充电电压和快速充电电流可通过外部电阻编程设定。 符合面向汽车应用的 AEC-Q100 标准 \n \n温度等级 1：–40°C ≤ T A ≤ 125°C\n \nHBM ESD 分类等级 2\n \nCDM ESD 分类等级 C4B\n \n\n \n可承受 40V 负载突降，支持直接从 3V 至 18V 工作范围的主电池为备用超级电容器充电\n \n自动睡眠模式，可降低功耗 \n \n350nA 输出漏电流\n \n禁用充电时，输入漏电流为 2µA\n \n\n \n支持从 0V 为 1 至 4 节超级电容器充电\n \n操作可使用外部电阻器进行编程 \n \nFB 引脚用于调节超级电容器稳压电压\n \nISET 用于设置 10mA ;

丝印代码：B173Q；BQ25173-Q1 Automotive, Standalone 800-mA Linear Battery Charger for 1- to 4-Cell Supercapacitor

1 Features • AEC-Q100 qualified for automotive applications – Temperature grade 1: –40°C ≤ TA ≤ 125°C – HBM ESD classification level 2 – CDM ESD classification level C4B • 40-V load-dump tolerant to support charging backup supercapacitor, 3-V to 18-V operating • Automatic Sleep mode for low

丝印代码：B173；BQ25173: 800-mA Linear Charger for 1- to 4-Cell Supercapacitor

文件：2.92787 Mbytes Page：31 Pages

封装/外壳：8-WFDFN 裸露焊盘 包装：管件 描述：IC BATT CHG SUPERCAP 4CELL 8WSON 集成电路（IC） 电池充电器

功能：电池充电器 包装：散装 描述：EVAL BOARD FOR BQ25173 开发板，套件，编程器 评估和演示板及套件

Customer Specification

Construction Alpha Wire | 711 Lidgerwood Avenue, Elizabeth, NJ 07207 Tel: 1-800-52 ALPHA (25742), Web: www.alphawire.com Diameters (In) 1) Component 1 3 X 1 COND a) Conductor 16 (19/.0117) AWG Tinned Copper 0.059 b) Insulation 0.016 Wall, Nom. PVC 0.091 (1) Color Code Alpha Wire Color Co