AM4961
SINGLE PHASE FULL WAVE DIRECT PWM MOTOR DRIVER
Description
Pin Assignments
ADVANCED INFORMATION
The AM4961 is a full wave driver IC with PWM control function. It is
used for single phase motor and is capable of speed control by
changing output duty cycle.
(Top View)
The AM4961 is available in SSOP-16 and HTSSOP-14 packages.
Features
Built-In Hall Bias Circuit
Built-In PWM Speed Control Circuit
Built-In Minimal Speed Setup Circuit
Rotation Speed Indication (FG)
Rotation or Lock State Indication (RD)
Built-In Thermal Shutdown Circuit
Lock Protection
Output Current Limit
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
OUT2
1
16
PGND
NC
2
15
OUT1
VCC
3
14
GND
VMIN
4
13
CT
VPWM
5
12
VREF
COSC
6
11
HIN-
FG
7
10
HB
RD
8
9
HIN+
SSOP-16
(Top View)
PGND
PGND
OUT2
1
14
OUT1
VCC
2
13
GND
VMIN
3
12
CT
VPWM
4
11
VREF
COSC
5
10
HIN-
FG
6
9
HB
RD
7
8
HIN+
HTSSOP-14
Applications
Notes:
CPU Cooler Fan in PC
Brushless DC Motor Driver
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.
2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and
Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain
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