TPS63900 Datasheet | Texas Instruments

Features - Input voltage range: 1.8 V to 5.5 V - Output voltage range: 1.8 V to 5 V (100-m V steps) - Programmable with external resistors - SEL pin to toggle between two output voltage presets - > 400-m A output current for VI ≥ 2.0 V, VO = 3.3 V (typical 1.45-A peak switching current limit) - Stackable: parallel multiple devices for higher output current - > 90% Efficiency at 10-µA load current - 75-n A quiescent current - 60-n A shutdown current - Single-mode operation - Eliminates mode transitions between buck, buck-boost and boost operation - Low output ripple - Excellent transient performance - Safety and robust operation features - Integrated soft start - Programmable input current limit with eight settings (1 m A to 100 m A and unlimited) - Output short-circuit and overtemperature protection - Tiny solution size of 21-mm2 - Small 2.2-µH inductor, single 22-µF output capacitor - 10-Pin, 2.5-mm × 2.5-mm, 0.5-mm pitch WSON package 2 Applications - Smart meters and sensor nodes - Electronic smart locks - Medical sensor patches and patient monitors - Wearable electronics - Asset tracking - Industrial Io T (smart sensors) / NB-Io T 3 Description The TPS63900 device is a high-efficiency synchronous buck-boost converter with an extremely low quiescent current (75 n A typical). The device has 32 user-programmable output voltage settings from 1.8 V to 5 V. A dynamic voltage-scaling feature lets applications switch between two output voltages during operation; for example, to save power by using a lower system supply voltage during standby operation. With its wide supply voltage range and programmable input current limit (1 m A to 100 m A and unlimited), the device is ideal for use with a wide range of primary like 3S Alkaline, 1S Li-Mn O 2 or 1S Li-SOCl 2, and secondary battery types. The high-output current capability supports monly-used RF standards like sub-1-GHz, BLE, Lo Ra, w M-Bus, and NB-Io T. Device Information PART NUMBER(1) PACKAGE BODY SIZE (NOM) WSON...