SI9910_05 VISHAY [Vishay Siliconix], SI9910_05 Datasheet

SI9910_05

Manufacturer Part Number

SI9910_05

Description

Adaptive Power MOSFET Driver

Manufacturer

VISHAY [Vishay Siliconix]

Datasheet

1.SI9910_05.pdf (6 pages)

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DESCRIPTION

The Si9910 Power MOSFET driver provides optimized gate

drive signals, protection circuitry and logic level interface. Very

low quiescent current is provided by a CMOS buffer and a

high-current emitter-follower output stage. This efficiency

allows operation in high-voltage bridge applications with

“bootstrap” or “charge-pump”

techniques.

The non-inverting output configuration minimizes current

drain for an n-channel “on” state. The logic input is internally

diode clamped to allow simple pull-down in high-side drives.

Document Number: 70009

S-42043—Rev. H, 15-Nov-04

1. Patent Number 484116.

FEATURES

D dv/dt and di/dt Control

D Undervoltage Protection

D Short-Circuit Protection

FUNCTIONAL BLOCK DIAGRAM

INPUT

Delay

2-ms

D t

D Low Quiescent Current

D CMOS Compatible Inputs

Adaptive Power MOSFET Driver

Undervoltage/

Overcurrent

Protection

floating power supply

Shoot-Through Current Limiting

Fault protection circuitry senses an undervoltage or output

short-circuit condition and disables the power MOSFET.

Addition of one external resistor limits maximum di/dt of the

external Power MOSFET. A fast feedback circuit may be used

to limit shoot-through current during t

time) in a bridge configuration.

The Si9910 is available in both standard and lead (Pb)-free

8-pin plastic DIP and SOIC packages which are specified to

operate over the industrial temperature range of −40 _C to

85 _C.

D Compatible with Wide Range of MOSFET Devices

D Bootstrap and Charge Pump Compatible

(High-Side Drive)

PULL-DOWN

PULL-UP

DRAIN

SENSE

* Typical Values

*100 kW

*250 W

Vishay Siliconix

*2 to 5 pF

(diode reverse recovery

*0.1 W

www.vishay.com

Si9910

Related parts for SI9910_05

SI9910_05 Summary of contents

Page 1

Adaptive Power MOSFET Driver FEATURES D dv/dt and di/dt Control D t Shoot-Through Current Limiting rr D Undervoltage Protection D Low Quiescent Current D Short-Circuit Protection D CMOS Compatible Inputs DESCRIPTION The Si9910 Power MOSFET driver provides optimized gate drive ...

Page 2

Si9910 Vishay Siliconix ABSOLUTE MAXIMUM RATINGS Voltages Referenced to V Pin SS V Supply Range . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

AC TESTING CONDITIONS 50 PLH 10% OUT PIN CONFIGURATIONS AND ORDERING INFORMATION PDIP INPUT DRAIN 4 Top View Part Number Si9910DY Si9910DY-T1 Si9910DY-T1—E3 Si9910DJ Si9910DJ—E3 Document Number: 70009 ...

Page 4

Si9910 Vishay Siliconix PIN DESCRIPTION Pin Pin sense input for the maximum source-drain DS voltage limit. Two microseconds after a high transition on input pin 2, an internal timer enables the V ...

Page 5

APPLICATION CIRCUIT V ( INPUT C3 OSC Q2 CMOS Logic C4 R5 INPUT C2 = Bootstrap Cap C3 = Chargepump Cap FIGURE 1. High-Voltage Half-Bridge with Si9910 Drivers Vishay Siliconix maintains worldwide manufacturing ...

Page 6

Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description ...

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