MIC4605 Series

1 A Half Bridge MOSFET Gate Driver

Catalog

1 A Half Bridge MOSFET Gate Driver

Part	Supplied Contents	Function	Type	Utilized IC / Part	High Side Voltage - Max (Bootstrap) [Max]	Channel Type	Voltage - Supply [Max]	Voltage - Supply [Min]	Gate Type	Rise / Fall Time (Typ) [custom]	Rise / Fall Time (Typ) [custom]	Mounting Type	Number of Drivers	Driven Configuration	Supplier Device Package	Current - Peak Output (Source, Sink) [custom]	Current - Peak Output (Source, Sink) [custom]	Input Type	Operating Temperature [Min]	Operating Temperature [Max]	Logic Voltage - VIL, VIH [custom]	Logic Voltage - VIL, VIH [custom]	Package / Case	Package / Case [y]	Package / Case [x]	Grade	Qualification
Microchip Technology MIC4605-1YMT-EV	Board(s)	Half H-Bridge Driver (External FET)	Power Management	MIC4605-1YMT
Microchip Technology MIC4605-1YMT-TR					108 V	Independent	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	10-TDFN (2.5x2.5)	1 A	1 A	TTL Non-Inverting	-40 °C	125 ¯C	2.2 V	0.8 V	10-UFDFN Exposed Pad
Microchip Technology MIC4605-2YM					108 V	Synchronous	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	8-SOIC	1 A	1 A	Non-Inverting PWM	-40 °C	125 ¯C	2.2 V	0.8 V	8-SOIC	3.9 mm	0.154 in
Microchip Technology MIC4605-2YM-TRVAO					108 V	Synchronous	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	8-SOIC	1 A	1 A	Non-Inverting PWM	-40 °C	125 ¯C	2.2 V	0.8 V	8-SOIC	3.9 mm	0.154 in	Automotive	AEC-Q100
Microchip Technology MIC4605-1YMT-T5					108 V	Independent	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	10-TDFN (2.5x2.5)	1 A	1 A	TTL Non-Inverting	-40 °C	125 ¯C	2.2 V	0.8 V	10-UFDFN Exposed Pad
Microchip Technology MIC4605-1YM-TRVAO					108 V	Independent	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	8-SOIC	1 A	1 A	TTL Non-Inverting	-40 °C	125 ¯C	2.2 V	0.8 V	8-SOIC	3.9 mm	0.154 in	Automotive	AEC-Q100
Microchip Technology MIC4605-2YM-T5					108 V	Synchronous	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	8-SOIC	1 A	1 A	Non-Inverting PWM	-40 °C	125 ¯C	2.2 V	0.8 V	8-SOIC	3.9 mm	0.154 in
Microchip Technology MIC4605-2YMT-TR					108 V	Synchronous	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	10-TDFN (2.5x2.5)	1 A	1 A	Non-Inverting PWM	-40 °C	125 ¯C	2.2 V	0.8 V	10-UFDFN Exposed Pad
Microchip Technology MIC4605-1YM					108 V	Independent	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	8-SOIC	1 A	1 A	TTL Non-Inverting	-40 °C	125 ¯C	2.2 V	0.8 V	8-SOIC	3.9 mm	0.154 in
Microchip Technology MIC4605-2YM-TR					108 V	Synchronous	16 V	5.5 V	N-Channel MOSFET	20 ns	20 ns	Surface Mount	2	Half-Bridge	8-SOIC	1 A	1 A	Non-Inverting PWM	-40 °C	125 ¯C	2.2 V	0.8 V	8-SOIC	3.9 mm	0.154 in

Catalog

1 A Half Bridge MOSFET Gate Driver

Key Features

- 5.5 V to 16 V gate drive supply voltage range

- Advanced adaptive-dead-time

- Intelligent shoot-through protection

- MIC4605-1: Dual TTL inputs

- MIC4605-2: Single PWM input

- Enable input for on/off control

- On-chip bootstrap diode

- Fast 35 ns propagation times

- Drives 1,000 pF load with 20 ns rise and fall times

- Low power consumption: 135 µA quiescent current

- Separate high and low-side under voltage protection

- –40°C to +125°C junction temperature range

Description

The MIC4605 is an 85 V half-bridge MOSFET gate driver that features adaptive-dead-time and shoot-through protection. The adaptive-dead-time circuitry actively monitors the half-bridge outputs to minimize the time between high-side and low-side MOSFET transitions, thus maximizing power efficiency. Anti-shoot-through circuitry prevents erroneous inputs and noise from turning both MOSFETS on at the same time. The MIC4605 also offers a wide 5.5 V to 16 V operating supply range to maximize system efficiency. The low 5.5 V operating voltage allows longer run times in battery-powered applications. Additionally, the MIC4605’s adjustable gate drive sets the gate drive voltage to VDD for optimal MOSFET RDS(ON), which minimizes power loss due to the MOSFET’s RDS(ON). The MIC4605 is available in an 8-pin SOIC package and a tiny 10-pin 2.5 × 2.5 mm TDFN package. Both packages have an operating junction temperature range of -40°C to +125°C