IC manufacturers Nisshinbo Micro Device Inc.
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Nisshinbo Micro Device Inc. RP514
Ultra-low Power Consumption 100 mA Buck DC/DC Converter with Battery Monitor
Overview
| Topology | Buck Converter |
| Input voltage | 1.8-5.5 V |
| Switching frequency | 1000 kHz |
| Output 1 | 4 V / 0.1 A |
Description
The RP514x is a buck DC/DC converter with a Battery Monitor (BM) featuring ultra-low current and low-voltage resistance.The battery monitor divides the input voltage (VIN) into 1/3 or 1/4, and directly provides the MCU’s built-in low voltage AD converter with buffered voltage without external circuits.
Features
- Supply Current: Typ. 0.3 μA
- Output Current: 100 mA
- Input Voltage Range: 1.8 V to 5.5 V
- Output Voltage Range : 1.0 V to 4.0 V
- Output Voltage Accuracy: ±1.5%
Typical applications
- Coin cell-used equipment and Li-ion battery-used equipment
- Wearable devices such as SmartWatch, SmartBand and Health monitoring / Low Power CPU, Memory, Sensor device and Energy Harvester
- Low Power RF Modules such as Bluetooth® LE, Zigbee, WiSun and ANT
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(mA) | IR 2(mA) | ISAT(mA) | RDC(mΩ) | fres(MHz) | Type | H(mm) | W(mm) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PMI Power Multilayer Inductor, 2.2 µH, 700 mA | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PMI Power Multilayer Inductor | Inductance2.2 µH | Rated Current700 mA | Rated Current 21000 mA | Saturation Current700 mA | DC Resistance200 mΩ | Self Resonant Frequency50 MHz | TypeLow RDC | Height1 mm | Width1.2 mm |