Micrel

Micrel MIC4605: 85V Half-Bridge MOSFET Drivers

The Micrel MIC4605 is an 85V half-bridge MOSFET driver that features adaptive-dead-time and shoot-through protection.

  • 5.5V to 16V gate drive supply voltage range
  • Advanced adaptive-dead-time
  • Intelligent shoot-through protection
  • Low power consumption: 135μA quiescent current
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Product Description

The Micrel MIC4605 is an 85V half-bridge MOSFET driver that features adaptive-dead-time and shoot-through protection.
The adaptive-dead-time circuitry actively monitors the half-bridge outputs to minimise the time between high-side and low-side MOSFET transitions thereby maximising 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 5.5V to 16V operating supply range to maximize system efficiency. The low 5.5V operating voltage allows longer run times in battery-powered applications. An internal high-voltage Schottky diode charges the high-side gate-drive bootstrap (external) capacitor. Additionally the MIC4605's adjustable gate drive sets the gate drive voltage to VDD for optimal MOSFET RDS(ON) which minimises power loss due to the MOSFET's RDS(ON).
The MIC4605 is available in an 8-pin SOIC package and a tiny 10-pin 2.5mm x 2.5mm TDFN package. Both packages have an operating junction temperature range of -40°C to +125°C.

Micrel MIC4605

Operating temperature

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

Low power consumption

135μA quiescent current.

Typical applications

Fans; Power inverters; High-voltage step-down regulators; Half full and 3-phase bridge motor drives; Appliances; E-bikes.

Product Range
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2382323
MIC4605-1YMT

MIC4605-1YMT

MICREL SEMICONDUCTOR

MOSFET Driver, Half Bridge, 5.5V-16V Supply, 75ns Delay, TDFN-10

DRIVER, MOSFET, 5.5V-16V, TDFN-10; Driver Configuration:Half Bridge; Peak Output Current:-; Supply Voltage Min:5.5V; Supply Voltage Max:16V; Driver Case Style:TDFN; No. of Pins:10Pins; Input Delay:75ns; Output Delay:75ns; Operating Temperature Min:-40°C;

224 in stock

Price for: Each

1+ £1.16 10+ £0.95 100+ £0.807 250+ £0.75 more…

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2382326
MIC4605-2YMT

MIC4605-2YMT

MICREL SEMICONDUCTOR

MOSFET Driver, Half Bridge, 5.5V-16V Supply, 75ns Delay, TDFN-10

DRIVER, MOSFET, 5.5V-16V, TDFN-10; Driver Configuration:Half Bridge; Peak Output Current:-; Supply Voltage Min:5.5V; Supply Voltage Max:16V; Driver Case Style:TDFN; No. of Pins:10Pins; Input Delay:75ns; Output Delay:75ns; Operating Temperature Min:-40°C;

105 in stock

Price for: Each

1+ £0.848 10+ £0.725 100+ £0.698 250+ £0.676 more…

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2382322
MIC4605-1YM

MIC4605-1YM

MICREL SEMICONDUCTOR

MOSFET Driver, Half Bridge, 5.5V-16V Supply, 5ns Delay, SOIC-8

DRIVER, MOSFET, 5.5V-16V, SOIC-8; Driver Configuration:Half Bridge; Peak Output Current:-; Supply Voltage Min:5.5V; Supply Voltage Max:16V; Driver Case Style:SOIC; No. of Pins:8Pins; Input Delay:75ns; Output Delay:75ns; Operating Temperature Min:-40°C; O

52 in stock

Price for: Each

1+ £0.954 10+ £0.883 100+ £0.729 250+ £0.669 more…

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Available until stock is exhausted

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2383486
MIC4605-1YM EV

MIC4605-1YM EV

MICREL SEMICONDUCTOR

EVAL BOARD, HB MOSFET DRIVER, PWM INPUT

EVAL BOARD, HB MOSFET DRIVER, PWM INPUT; Silicon Manufacturer:Micrel Semiconductor; Silicon Core Number:MIC4605; Kit Application Type:Drivers; Application Sub Type:MOSFET Driver; Kit Contents:Evaluation Board MIC4605YM; Product Range:-; SVHC:No SVHC (15-

No Longer Manufactured

No Longer Manufactured

2383487
MIC4605-1YMT EV

MIC4605-1YMT EV

MICREL SEMICONDUCTOR

EVAL BOARD, HB MOSFET DRIVER, TTL INPUT

EVAL BOARD, HB MOSFET DRIVER, TTL INPUT; Silicon Manufacturer:Micrel Semiconductor; Silicon Core Number:MIC4605; Kit Application Type:Drivers; Application Sub Type:MOSFET Driver; Kit Contents:Evaluation Board MIC4605YMT; Product Range:-; SVHC:No SVHC (15

No Longer Manufactured

No Longer Manufactured

2382324
MIC4605-2YM

MIC4605-2YM

MICREL SEMICONDUCTOR

MOSFET Driver, Half Bridge, 5.5V-16V Supply, 75ns Delay, SOIC-8

DRIVER, MOSFET, 5.5V-16V, SOIC-8; Driver Configuration:Half Bridge; Peak Output Current:-; Supply Voltage Min:5.5V; Supply Voltage Max:16V; Driver Case Style:SOIC; No. of Pins:8Pins; Input Delay:75ns; Output Delay:75ns; Operating Temperature Min:-40°C; O

No Longer Manufactured

No Longer Manufactured

2383488
MIC4605-2YM EV

MIC4605-2YM EV

MICREL SEMICONDUCTOR

EVAL BOARD, HB MOSFET DRIVER, PWM INPUT

EVAL BOARD, HB MOSFET DRIVER, PWM INPUT; Silicon Manufacturer:Micrel Semiconductor; Silicon Core Number:MIC4605; Kit Application Type:Drivers; Application Sub Type:MOSFET Driver; Kit Contents:Evaluation Board MIC4605YM; Product Range:-; SVHC:No SVHC (15-

No Longer Manufactured

No Longer Manufactured

2383489
MIC4605-2YMT EV

MIC4605-2YMT EV

MICREL SEMICONDUCTOR

EVAL BOARD, HB MOSFET DRIVER, TTL INPUT

EVAL BOARD, HB MOSFET DRIVER, TTL INPUT; Silicon Manufacturer:Micrel Semiconductor; Silicon Core Number:MIC4605; Kit Application Type:Drivers; Application Sub Type:MOSFET Driver; Kit Contents:Evaluation Board MIC4605YMT; Product Range:-; SVHC:No SVHC (15

No Longer Manufactured

No Longer Manufactured

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