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Monolithic Power Systems MP5402M
5A, 36V, Frequency Selectable Step-Down Converter with Smart Dual USB Charging Ports
Overview
| Topology | Buck Converter |
| Input voltage | 7-36 V |
| Switching frequency | 150-350 kHz |
| Output 1 | 5 V |
Description
The MP5402M integrates a monolithic, step-down, switch-mode converter with two USB current-limit switches and a charging port identification circuit. It achieves 5A of continuous output current over a wide input supply range with excellent load and line regulation.The output of the USB switch is current limited. Both USB ports support DCP schemes for the battery charging specification (BC1.2), the divider mode, and the 1.2V/1.2V mode, eliminating outside user interaction.The output voltage has programmable line drop compensation.Fault condition protection includes hiccup current limiting, output OVP, and thermal shutdown (TSD). The MP5402M requires a minimum number of readily available, standard, external components and is available in a QFN-26 (4mmx4mm) package.
Features
- EMI Reduction Technique
- Wide 7V to 36V Operating Input Voltage Range
- Fixed 5V Output Voltage with Line Drop Compensation
- Accurate USB1/USB2 Output Current Limit
- 40mΩ/32mΩ Low-RDS(ON) Internal Buck Power MOSFETs
- 24mΩ/24mΩ Low-RDS(ON) Internal USB1/USB2 Power MOSFETs
- 350kHz/250kHz/150kHz Frequency Selectable
- Programmable Line Drop Compensation
- Output Over-Voltage Protection
- Hiccup Current Limit
- Supports DCP Schemes for BC1.2, Divider Mode, and 1.2V/1.2V Mode
- ±8kV HBM ESD Rating for USB, DP, and DM
- Available in a QFN-26 (4mmx4mm) Package
Typical applications
- USB Dedicated Charging Ports (DCP)
- Smart Cigarette Lighter Adapter USB Chargers
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Mount | Interface Type | Type | Gender | Pins | IR(A) | Working Voltage(V (AC)) | Packaging | SamplesAvailability & Sample | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | SPECWE-XHMI SMT Power Inductor, 10 µH, 6.4 A | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | Inductance10 µH | Performance Rated Current6.4 A | Saturation Current @ 30%9.7 A | DC Resistance26.5 mΩ | DC Resistance29.15 mΩ | Self Resonant Frequency18 MHz | MountSMT | – | – | – | Pins2 | Rated Current5 A | – | – | –Check availability | |||
 | SPECWR-USB Standard Connectors, –, – | Simulation– | Availability – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-USB Standard Connectors | – | – | – | – | – | – | MountTHT | Interface TypeType A | TypeStacked Horizontal | GenderReceptacle | Pins8 | Rated Current1.5 A | Working Voltage30 V (AC) | PackagingTray | –Check availability |
Availability Forecast
WE item number: –
VPELead time
–– weeks
| Expected Availability | Opening inventory | Quantity |
|---|---|---|
| Current Availability | – | – |
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