NBM7100ABQ Coin cell battery life booster with adaptive power optimization
NBM7100A/B 是一款电池能量管理器件,旨在在需要突发电流负载的低电压、低功耗应用中最大限度地提高不可充电一次电池的可用容量。这些器件克服了与从锂原电池(例如 3 V 锂二氧化锰 (LiMnO2) 纽扣电池)提取高脉冲电流(图 1)相关的压降和电池寿命限制。常用于无线、低功耗物联网传感器应用。NBM7100A/B 包含两级高效 DC-DC 转换和智能学习算法。第一级 DC-DC 转换以低恒定电流将能量从锂电池传输到电容存储元件。充电后,第二个 DC-DC 转换周期利用存储的能量在 VDH 输出引脚上提供具有高脉冲负载电流能力的稳压电压。电池永远不会直接承受大负载脉冲电流,从而产生更长、更可预测的电池寿命
特性
Programmable constant battery load current: 2 mA to 16 mA
Protection against battery voltage dips (Brown-out)
Pulse output current: > 200 mA
Low ripple regulated programmable output voltage, VDH: 1.8 V to 3.6 V
Ultra-low standby current: < 50 nA
Peak conversion efficiency > 90% with adaptive optimization
Integrated fuel gauge
Small 16 pin lead-free package (SOT763-1/DHVQFN16; 2.5 mm × 3.5 mm × 0.85 mm)
Specified from -40 °C to +85 °C
目标应用
Battery powered wireless microcontroller applications (IoT): Bluetooth®, LoRaWAN®, Sigfox™, LTE-M, NB-IoT, Zigbee, etc.
Industrial: temperature, occupancy, e-metering, electronic shelf label, asset tracking, irrigation monitoring
Consumer/wearable: location tags, heart rate monitor, blood glucose meter, remote controls, key fobs
型号 | Product status | Bus interface | Auto start | Storage cap charge balance function | Max storage cap voltage (V) | Pulse ILOAD [max] (mA) | Package version | Package name |
---|---|---|---|---|---|---|---|---|
NBM7100ABQ | Production | I²C | Yes | Not Supported | 11 | 200 | SOT763-1 | DHVQFN16 |
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