[原创] TI TLV61225电池测试和监测参考设计

TI公司的TLV61225是单颗或两颗碱性或NiMH或单颗锂电池的测试和监测解决方案,效率高达94%,静态电流5-µA,工作电压0.7 V到3.3 V,输出电压3.3V,具有超压和超温保护,主要用在电池供电的应用,消费类和手持医疗设备和个人保健设备.本文介绍了TLV61225主要特性,框图和应用电路图,电池测试和监测参考设计TIDA-00670主要特性,电路图,材料清单和PCB设计图.

The TLV61225 device provides a power-supply solution for products powered by either a single-cell or 2-cell alkaline or NiMH, or 1-cell Li-primary battery. Possible output currents depend on the input-to-output voltage ratio. The boost converter is based on a hysteretic controller topology using synchronous rectification to obtain maximum efficiency at minimal quiescent currents. The output voltage of this device is set internally to a fixed output voltage of 3.3 V. The converter can be switched off by a featured enable pin. While being switched off, battery drain is minimized. The device is offered in a 6-pin SC-70 package (DCK) measuring 2 mm×2 mm to enable small circuit layout size.

TLV61225主要特性：

Up to 94% Efficiency at Typical Operating Conditions
5-µA Quiescent Current
Operating Input Voltage from 0.7 V to 3.3 V
Pass-Through Function During Shutdown
Output Current of More Than 40-mA From a 1.2-V Input..

查看全文