TIDA-00599, LP5910 and TPS61221 as Power Reference Design for devices Interacting with Ultra-Low Voltage MSP430
Reference Design using part LP5910-1.8YKAR by Texas Instruments
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For End Products
- Consumer Electronics
- Gaming and Toys
- Light Monitoring Devices
- Remote Control
- Sensor Monitoring
- Wearable Electronics
Description
- TIDA-00599, LP5910 and TPS61221 as Power Reference Design for devices Interacting with Ultra-Low Voltage MSP430. The MSP430X09X can operate form ultra-low voltages (ULV) in the range of 0.9V to 1.65V, however most of the devices in the system requires higher voltages. TIDA-00599 provides a solution for those companion devices that requires 1.8V and 3.3V input voltages. A 3.3V voltage rail is generated from a 0.9V to 1.65 V batteries using the TPS61221 boost converter and a 1.8V voltage rail is generated using a high PSRR LDO (LP5910) connected in series with the boost converter output voltage rail. The combine output current is 100 mA at 1.65V input voltage and 50 mA at 0.90 V input voltage
Featured Parts (2)
| Part Number | Manufacturer | Type | Description | |||
|---|---|---|---|---|---|---|
|
TPS61221DCKR | Texas Instruments | DC to DC Converter and Switching Regulator Chip | Conv DC-DC 0.7V to 5.5V Synchronous Step Up Single-Out 3.3V 0.5A 6-Pin SC-70 T/R | Buy | |
|
LP5910-1.8YKAR | Texas Instruments | Linear Regulators | LDO Regulator Pos 1.8V 0.3A 4-Pin DSBGA T/R | Buy | |