SI9978DW-E3 The Vishay Dale SI9978DW-E3 is a configurable H-bridge driver IC designed for n-channel MOSFETs. It operates from a 20-40V supply and is available in a 24-SOIC package.
Mfr Part #:

SI9978DW-E3

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale SI9978DW-E3 is a configurable H-bridge driver IC designed for n-channel MOSFETs. It operates from a 20-40V supply and is available in a 24-SOIC package.
✓ Total Stock: 2,260 pcs
$ Price Range: $2.01

SI9978DW-E3 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,260 pcs
2260 pcs On Request 1 On Request On Request On Request On Request On Request

SI9978DW-E3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Channel Type
Driven Configuration
Gate Type
High Side Voltage
Input Type
Logic Voltage
Mounting Type
Number of Drivers
Operating Temperature
Power Dissipation
Rise
Supplier Device Package
Supplier Package
Voltage

SI9978DW-E3 Description

Short technical summary and product information.

The Vishay Dale SI9978DW-E3 is an integrated driver IC designed for n-channel MOSFET H-bridges, offering flexibility for H-bridge or dual half-bridge configurations. It supports a supply voltage range of 20 to 40V and operates within an industrial temperature range of -40°C to +150°C (TJ).

 

Key features include cross-conduction protection, current limit, undervoltage lockout, and ESD protection. The device is housed in a 24-pin wide-body SOIC surface mount package, making it suitable for various power management applications. The input logic is compatible with 1V and 4V signals, and it supports synchronous channel types.

 

This gate driver is designed for static (DC) operation and includes internal charge pumps to maintain high-side gate drive. Its robust protection features and configurable operation make it a versatile component for motor control and power switching circuits.

SI9978DW-E3 Quick Information

Product Type: Gate Driver
Canonical Name: Si9978 Configurable H-Bridge Driver
Subcategory: H-Bridge Driver

SI9978DW-E3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SI9978DW-E3 Estimated Pricing

Qty Low High
1+ $2.01 $2.01

Estimated market price range - modelled values for guidance only, not live distributor offers.

SI9978DW-E3 Features

  • Configurable H-bridge or dual half-bridge.
  • Operates from 20V to 40V supply.
  • Wide industrial temperature range.
  • Surface mount 24-SOIC package.
  • Includes protection features.

SI9978DW-E3 Applications

  • Ideal for H-bridge motor control.
  • Suitable for power switching circuits.
  • Used in power management systems.
  • Supports n-channel MOSFET drivers.

SI9978DW-E3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the SI9978DW-E3?

20 V to 40 V DC.

What is the package type of the SI9978DW-E3?

24-SOIC (0.295 inch, 7.50 mm width) surface mount package.

What is the operating temperature range?

-40°C to 150°C (junction temperature).

What is the logic voltage threshold?

Minimum 1 V, maximum 4 V.

What is the rise time of the gate driver?

50 ns to 110 ns.

What is the maximum power dissipation?

500 mW.

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