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1. Description
TPS63020DSJT device provides power Solutions for products powered by two or two batteries Three alkaline, nickel-cadmium or nickel-metal hydride batteries, one Lithium ion or lithium polymer battery, super capacitor or others Supply rails. Supports output currents up to 3 A. When using batteries, they can be discharged To less than 2 V. The buck-boost converter is based on Fixed frequency, pulse width modulation (PWM) The controller adopts synchronous rectification to obtain Maximum efficiency. At low load current, The converter enters the power saving mode to keep it high Efficiency in a wide range of load currents. power Can disable save mode, force converter Work at a fixed switching frequency. Max The average current in the switch is limited to a typical The value is 4 A. Programmable output voltage Use external resistor divider, or fixed internally On the chip. The converter can be disabled to Minimize battery consumption. During shutdown, the load is Disconnect from the battery. TPS6302x devices operate in free air Temperature range from –40°C to 85°C. These devices are Packaged in a 14-pin VSON package, measuring 3 Mm × 4 mm (DSJ).
2. Feature
1. Input voltage range: 1.8 V to 5.5 V
2. Adjustable output voltage: 1.2 V to 5.5 V
3. Output current when VIN> 2.5 V and VOUT = 3.3 V: 2 A
4. High efficiency across the entire load range
– Working quiescent current: 25 µA
- Power saving mode with mode selection
5. Average current mode buck-boost architecture
- Automatic conversion between modes
– Fixed frequency operation at 2.4 MHz
– Can be synchronized
6. Good power output
7. Safe and reliable operation function
– Over temperature and over voltage protection
- Load disconnection during shutdown
8. Use
– TPS63020 with WEBENCH power designer
– TPS63021 with WEBENCH power designer
3. Application
1. Pre-conditioning of battery-powered equipment: EPOS , E-cigarette, single board computer, IP network Camera, video doorbell, land mobile radio
2. Voltage stabilizer: wired communication, wireless Communication, PLC, optical module
3. Spare super capacitor power supply: electric meter, Solid State Drives (SSD)-Enterprise
4. Pin configuration
5. Pin Functions
6. Package overview
