MP1906—80V, HALF-BRIDGE, GATE DRIVER
PIN FUNCTIONS
Pin #
Name
Description
Supply Input. Supplies power to all internal circuitry. Requires a decoupling capacitor
to ground placed close to this pin to ensure a stable and clean supply.
1
VCC
2
3
4
5
6
7
HPWM
LPWM
GND
BG
Logic input for high-side gate driver output.
Logic input for low-side gate driver output. Active low.
Ground.
Gate Driver Output for low-side MOSFET.
Source Return for high-side MOSFET.
Gate Driver Output for high-side MOSFET.
SW
TG
Bootstrap. Internal power supply pin for high-side floating driver. Add a 1µF ceramic
bootstrap capacitor from BT to SW pin.
8
BT
MP1906 Rev. 1.0
1/3/2013
www.MonolithicPower.com
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