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AM4961GS-G1 데이터시트(PDF) 1 Page - Diodes Incorporated

부품명 AM4961GS-G1
상세설명  SINGLE PHASE FULL WAVE PWM MOTOR DRIVER
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제조업체  DIODES [Diodes Incorporated]
홈페이지  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AM4961GS-G1 데이터시트(HTML) 1 Page - Diodes Incorporated

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AM4961A
Document number: DS36626 Rev. 1 - 2
1 of 17
www.diodes.com
October 2013
© Diodes Incorporated
AM4961A
A Product Line of
Diodes Incorporated
SINGLE PHASE FULL WAVE PWM MOTOR DRIVER
Description
The AM4961A is highly integrated feature rich single phase Brushless
Direct Current (BLDC) full wave motor driver with PWM control
function for fans, blowers and extractors.
For system flexibility the motor speed can be controlled by either an
external PWM signal or by a DC voltage or from a Thermistor
network. Based on the input signal, the AM4961A adjust the output
duty cycle.
To help protect the motor coil, the AM4961A provides a rotor lock
protection which shuts down the output if rotor lock is detected. The
device automatically re-starts when the rotor lock is removed.
To help interface to external system for monitoring the motor status
and speed, AM4961A provides open drain Rotor lock detect alarm
output (RD) pin and a tachometer output Frequency Generator (FG).
The FG output is the magnetic change frequency.
The AM4961A is available in SSOP-16 and HTSSOP-14 packages
.
Features
Operating voltage : 3.5V to 16V
Internal H-Bridge with 1A Peak Current Capability
Speed Control with external PWM, DC or Thermistor signals
Minimal Speed Setting
Built-in Hall Bias Circuit
Reference Voltage Output
Rotor Lock Protection with Output Shutdown and Auto Restart
Rotation Speed Indication (FG)
Rotation or Lock State Indication (RD)
Built-in Thermal Shutdown Circuit
Industry standard SSOP-16 and Thermally Enhanced
HTSSOP-14 Packages
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Pin Assignments
(Top View)
SSOP-16 (GS Package)
(Top View)
HTSSOP-14 (GH Package)
Applications
12V BLDC Cooling Fans, Motors, Extractors and Blowers
CPU Cooler Fan in PC
Instrumentation and Equipment Cooling fans
Brushless DC Motor Driver
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html 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 <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
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15
14
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16
1
OUT2
NC
VCC
VMIN
VPWM
COSC
FG
RD
HIN+
HB
HIN-
VREF
CT
GND
OUT1
PGND
1
2
3
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5
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14
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11
9
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PGND
PGND
OUT2
VCC
VMIN
VPWM
COSC
FG
RD
HIN+
HB
HIN-
VREF
CT
GND
OUT1


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