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UC3770BN The Texas Instruments UC3770BN is a bipolar half bridge driver designed for general purpose and stepper motor applications. It offers a 2A output current and operates within a wide voltage range.
Mfr Part #:

UC3770BN

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments UC3770BN is a bipolar half bridge driver designed for general purpose and stepper motor applications. It offers a 2A output current and operates within a wide voltage range.
✓ Total Stock: 6,483 pcs
$ Price Range: $0.75

UC3770BN Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
6,483 pcs
On Request
6483 pcs On Request 1 On Request On Request 03+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

UC3770BN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Fault Protection
Interface
Lead Style
Load Type
Mounting Type
Operating Temperature
Output Configuration
Supplier Device Package
Supply Voltage
Technology
Voltage
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UC3770BN Description

Short technical summary and product information.

The UC3770BN from Texas Instruments is a high-performance bipolar half bridge driver. It is suitable for general-purpose applications and specifically designed for stepper motor control systems. This device features a robust output current capability of up to 2A and supports full-step, half-step, and micro-step modes.

 

The UC3770BN operates with a wide supply voltage range of 10V to 45V, making it versatile for various power requirements. It includes essential features like thermal protection to prevent damage from overheating. The device is specified for operation from 0°C to 70°C ambient temperature, with a junction temperature range of 0°C to 150°C.

 

Packaged in a standard 16-DIP through-hole configuration, the UC3770BN is designed for easy integration into printed circuit boards. Its bipolar technology and logic interface simplify system design for microprocessor-controlled power systems.

UC3770BN Quick Information

Product Type: Half Bridge Driver
Canonical Name: UC3770BN Half Bridge Driver
Subcategory: Power Management ICs

UC3770BN Compliance

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

UC3770BN Estimated Pricing

Qty Low High
1+ $0.75 $0.75

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

UC3770BN Features

  • Bipolar half bridge driver with 2A output current.
  • Supports full, half, and micro-step modes.
  • Wide 10V to 45V supply voltage range.
  • Operates from 0°C to 150°C junction temperature.
  • 16-DIP through-hole package for easy mounting.

UC3770BN Applications

  • Drives bipolar stepper motors in motion control systems.
  • Ideal for general-purpose half-bridge inductive loads.
  • Suitable for 3D printer and CNC machine stepper drives.
  • Used in industrial automation and robotics actuator control.

UC3770BN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the supply voltage range of the UC3770BN?

The supply voltage range is 10V to 45V.

What package does the UC3770BN come in?

It comes in a 16-DIP (0.300", 7.62mm) through-hole package (supplier package 16-PDIP).

What is the operating temperature range of the UC3770BN?

The operating ambient temperature range is 0°C to 70°C, and the junction temperature range is 0°C to 150°C.

What is the maximum output current of the UC3770BN?

The maximum output current is 2A.

Does the UC3770BN support microstepping?

Yes, it supports full-step, half-step, and micro-step control.

What type of load can the UC3770BN drive?

It is designed for inductive loads such as stepper motors.

What fault protection is included in the UC3770BN?

It includes over-temperature fault protection with thermal shutdown at 170°C typical.

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