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AM4962 (NRND)

NRND = Not Recommended for New Design

Inactive Datasheet Archive

Datasheet

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Description

The AM4962 is a full wave driver IC with direct PWM control function. It is used for single phase motor and is capable of speed control by PWM pulse.

Feature(s)

The Motor Speed is Control°C by PWM Pulse Directly

Built-in Triangle Wave Circuit Without Extra Oscillation Capacitor

Built-in Hall Bias Circuit

Built-in Minimal Speed Setup Circuit

Slope K* Adjustable

Rotation Speed Indication (FG)

Rotation or Lock State Indication (RD)

Built-in Thermal Shutdown Circuit

Lock Protection and Auto-restart

Output Current Limit

Application(s)

CPU Cooler Fan in PC

Brushless DC Motor Driver

Specifications & Technical Documents

Product Parameters

Average OutputDrive Current (mA)	-
Frequency Generator (FG) and Rotation Detect	FG and RD
Hall Bias Voltage (V)	1.25
Lock Detect, Shut-Down and Auto Start	Yes
Minimum Speed Setting	Yes
Operating Ambient Temperature (°C)	-30 to 90
Operating Voltage (V)	3.5 to 16
Other Protection Features	Over Current Limit Thermal Shutdown
Peak Output Current (mA)	1000
Reference Voltage Output (V)	-
Speed Control	PWM or VDD and Slope Adjust
Speed Control Slope Adjust	Yes
SupplyCurrent (mA)	8

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN #	Issue Date	Implementation Date	Subject
PCN-2770	2025-10-30	2025-10-30	Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products
PCN-2672	2024-03-11	2024-09-07	Device End of Life (EOL)