Anterwell Technology Ltd.

          Anterwell Technology Ltd.


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SI9978DW ics components Configurable H Bridge Driver electronic chip board

Good quality Programmable IC Chips for sales
Good quality Programmable IC Chips for sales
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SI9978DW ics components Configurable H Bridge Driver electronic chip board

China SI9978DW ics components  Configurable H Bridge Driver electronic chip board supplier

Large Image :  SI9978DW ics components Configurable H Bridge Driver electronic chip board

Product Details:

Place of Origin: Original
Brand Name: VISHAY
Certification: Original Factory Pack
Model Number: SI9978DW

Payment & Shipping Terms:

Minimum Order Quantity: 50pcs
Price: negotiation
Packaging Details: new&original
Delivery Time: 1 day
Payment Terms: T/T, Western Union,PayPal
Supply Ability: 5200PCS
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Detailed Product Description
Voltage On Pins 2-7 With Respect To Ground.: -0.3 To VDD + 0.3 V Voltage On Pin 24: -0.3 To 50 V
Voltage On Pins 17, 19, 21, 23: -0.3 To +60 V Voltage On Pins 18, 22 .: .-2 To 50 V
Operating Temperature (TA): . .-40 To +85°C
High Light:

ic programmer circuit


programmable audio chip

Configurable H-Bridge Driver

FEATURESSI9978DW ics components  Configurable H Bridge Driver electronic chip board

• H-Bridge or Dual Half-Bridge Operation

• 20- to 40-V Supply

• Static (dc) Operation

• Cross-Conduction Protected

• Current Limit

• Undervoltage Lockout

• ESD Protected

• Fault Output




  The Si9978DW is an integrated driver for an n-channel MOSFET H-bridge.


The mode control allows operation as either a full H-bridge driver or as two independent half-bridges. The DIR/PWM input configuration allows easy implementation of either sign/magnitude or anti-phase PWM drive schemes for full H-bridges.


Schmitt triggers on the inputs provide logic signal compatibility and hysteresis for increased noise immunity. An internal low-voltage regulator allows the device to be powered directly from a system supply of 20 to 40 volts. All n-channel gates are driven directly from low-impedance outputs.


The addition of one external capacitor per half-bridge allows internal circuitry to level shift both the power supply and logic signal for the high-side n-channel gate drives.


Internal charge pumps replace leakage current lost in the high-side driver circuits to provide “static” (dc) operation in any output condition.


Protection features include an undervoltage lockout, cross-conduction prevention logic, and overcurrent monitors. 


  The Si9978DW is available in the 24-pin wide-body SOIC (surface mount) package, specified to operate over the industrial (-40 to +85°C) temperature range.


SI9978DW ics components  Configurable H Bridge Driver electronic chip board


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Contact Details
Anterwell Technology Ltd.

Contact Person: Miss. Sharon Yang

Tel: 86-755-61169882

Fax: 86-755-613169859

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