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Microchip MCP14628 | Demoboard Battery Charger Using an Inverse SEPIC Topology
2A Synchronous Buck Power MOSFET Driver
Overview
| Topology | SEPIC Buck-Boost Topology |
| Output 1 | 7.2 V |
| IC revision | A |
Description
The MCP14628 is a dual MOSFET gate driver designed to optimally drive two N-Channel MOSFETs arranged in a non-isolated synchronous buck converter topology. With the capability to source 2A peaks typically from both the high-side and low-side drives,the MCP14628 is an ideal companion to buck controllers that lack integrated gate drivers. Additionally,greater design flexibility is offered by allowing the gate drivers to be placed close to the power MOSFETs.
Features
- Dual Output MOSFET Driver for Synchronous Applications
- High Peak Output Current: 2A (typical)
- Adaptive Cross Conduction Protection
- Internal Bootstrap Blocking Device
- +36V BOOT Pin Maximum Rating
- Enhanced Light Load Efficiency Mode
- Low Supply Current: 80 µA (typical)
- High Capacitive Load Drive Capability:
- 3300 pF in 10 ns (typical)
- Tri-State PWM Pin for Power Stage Shutdown
- Input Voltage Undervoltage Lockout Protection
- Space Saving Packages:
- 8-Lead SOIC
- 8-Lead 3x3 DFN
Typical applications
- Core Voltage Supplies for Microprocessors
- High Efficient Synchronous DC/DC Buck Converters, High Current Low Output Voltage Synchronous DC/DC Buck Converters, High Input Voltage Synchronous DC/DC Buck Converters
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | Wire Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCF SMT High Current Inductor, 10 µH, 16.15 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCF SMT High Current Inductor | Inductance10 µH | Performance Rated Current16.15 A | Saturation Current @ 10%22 A | Saturation Current @ 30%23 A | DC Resistance8.76 mΩ | Self Resonant Frequency13 MHz | Wire TypeFlat |