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Overview
| Topology | Buck Converter |
| Input voltage | 3.3 V |
Description
This mobile point of sale (mPOS) reference design features a 1S1P Li-Ion battery architecture to reduce system size and cost. Integrated load switches are used to reduce standby power consumption and maximize battery life to enable the single-cell architecture. A USB Type-C charging port is also featured to support higher power delivery and minimize charging time.
Features
1S1P Low-Voltage Battery ArchitectureEnabled by Including Low Voltage (5 V)Printer Rail Driven by DRV8833
- USB Type C Charging Port ThroughTUSB320 and BQ25890 Updates CurrentUSB Implementations to New Standard
- TPS22918 Disconnects Inactive Sub-REMARK:BOM SCHEMATIC AND PDF IS ADDED
Systems to Extend Battery Life in SmallSOT-23 Package (≈500-nA Leakage)
- TCA8414 Integrates Keypad Scanner andGPIO Expander into Single Package,Simplifying Design and Reducing BOMCount
Typical applications
- Mobile Point of Sale (mPOS)
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | λDom typ.(nm) | Emitting Color | λPeak typ.(nm) | IV typ.(mcd) | VF typ.(V) | Chip Technology | 2θ50% typ.(°) | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WL-SMCW SMT Mono-color Chip LED Waterclear, 570 nm, Bright Green | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]570 nm | Emitting ColorBright Green | Peak Wavelength [typ.]572 nm | Luminous Intensity [typ.]40 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | MountSMT | ||||
| WL-SMCW SMT Mono-color Chip LED Waterclear, 625 nm, Red | Downloads27 files RAY files
| Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWL-SMCW SMT Mono-color Chip LED Waterclear | Dominant Wavelength [typ.]625 nm | Emitting ColorRed | Peak Wavelength [typ.]630 nm | Luminous Intensity [typ.]250 mcd | Forward Voltage [typ.]2 V | Chip TechnologyAlInGaP | Viewing Angle Phi 0° [typ.]140 ° | – | – | – | – | MountSMT | |||
 | WE-TPC SMT Tiny Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | – | – | – | – | – | – | – | Inductance10 µH | Rated Current1.5 A | Saturation Current1.4 A | Self Resonant Frequency35 MHz | MountSMT |