MIC4608YM Microchip

MIC4608 600V Half Bridge MOSFET or IGBT Driver General Description Features The MIC4608 is a 600V Half Bridge IGBT or MOSFET Gate drive supply voltage up to 20V driver. The MIC4608 features a 450ns propagation delay Drives high-side and low-side N-Channel MOSFETs or including a 200ns input filtering time to prevent unwanted IGBTs with independent inputs or with a single PWM pulses. The low-side and high-side gate drivers are signal independently controlled (with shoot thru protection) or 50V/ns dV/dt immunity controlled with a single PWM signal. The MIC4608 has TTL input thresholds TTL input thresholds. 200ns input filtering time The robust operation of the MIC4608 ensures that the Shoot thru protection outputs are not affected by supply glitches, HS ringing Low power consumption below ground, or HS slewing with high-speed voltage transitions. Undervoltage protection is provided on both Supply undervoltage protection the low-side and high-side drivers. 40C to +125C junction temperature range The MIC4608 is available in a 14-pin SOIC package. The Applications MIC4608 has an operating junction temperature range of 40C to +125C. Full- and half-bridge motor drive Industrial controls Datasheets and support documentation are available on Micrels web site at: www.micrel.com. White goods Typical Application HalfBridge Motor Driver Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 Micrel, Inc. MIC4608 Ordering Information Part Number Input Junction Temperature Range Package MIC4608YM TTL 40C to +125C 14-Pin SOIC Pin Configuration 14-Pin SOIC (M) (Top View) Pin Description Pin Number Pin Name Pin Function A high level on this pin enables the driver. A low level disables the drivers and places the part in a 1 EN low quiescent current state. This pin has an internal 300k pull-down resistor to V . SS Input supply for gate drivers. Decouple this pin to VSS with a >2.2F capacitor. Bootstrap diode 2 VDD connected to HB. 3 VDD Input supply for gate drivers. Connect directly to pin 2. 4 NC No connection. High-side bootstrap supply. External bootstrap capacitor is required. Connect bootstrap capacitor 5 HB across this pin and HS. An external bootstrap diode is connected to this pin as well. 6 HO High-side drive output. Connect to gate of the external low-side power MOSFET or IGBT. High-side drive reference connection. Connect to source/emitter of the external high-side power 7 HS MOSFET or IGBT. Decouple this pin with the bootstrap capacitor to HB. 8 NC No connection High-side drive input and PWM input for single signal drive. This pin has an internal 300k pull- 9 HI down resistor to VSS. 10 LI Low-side drive input. This pin has an internal 300k pull-down resistor to VSS. 11 VSS Driver Reference supply input. Generally connected to power ground of external circuitry. 12 LO Low-side drive output. Connect to gate of the external low-side power MOSFET or IGBT. State pin. PWM or Independent drive. Logic low allows for independent operation and logic high 13 ST allows for single input PWM drive operation. This pin has an internal 300k pull-down resistor to VSS. 14 NC No connection. May 12, 2015 Revision 1.0 2