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SDC11967 PDF даташит

Спецификация SDC11967 изготовлена ​​​​«SDC» и имеет функцию, называемую «Single-Phase Full-Wave Pre-Driver».

Детали детали

Номер произв SDC11967
Описание Single-Phase Full-Wave Pre-Driver
Производители SDC
логотип SDC логотип 

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SDC11967 Даташит, Описание, Даташиты
Single-Phase Full-Wave Pre-Driver For Fan Motor
Datasheet
SDC11967
General Description
The SDC11967 is a single-phase bipolar variable speed fan
motor predriver that works with an external PWM signal.
A highly efficient, quiet and low power consumption
motor driver circuit, with a large variable speed, can be
implemented by adding a small number of external
components.
This device is optimal for driving large scale fan motors
(with large air volume and large current) such as those
used in servers and consumer products.
Features
Pre-driver for single-phase full-wave drive
External PWM input enabling variable speed control
Compatible with 12V, 24V, and 48V power supplies
Reactive current cut circuit incorporated
Minimum speed setting pin
Constant-voltage output pin for Hall bias
RD output
Applications
PWM control variable speed fan motor
Pin Configuration
SSOP-20
OUT2P 1
OUT2N 2
VCC 3
VLIM 4
SENSE 5
RMI 6
VTH 7
CPWM 8
FG 9
RD 10
Figure1. Pin Configuration
20 OUT1P
19 OUT1N
18 VOVER
17 SGND
16 6VREG
15 ROFF
14 CT
13 IN+
12 HB
11 IN-
January, 2013 Rev. 1.0
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
1/10
www.sdc-semi.com









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SDC11967 Даташит, Описание, Даташиты
Single-Phase Full-Wave Pre-Driver For Fan Motor
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Pin Name
OUT2P
OUT2N
VCC
VLIM
SENSE
RMI
VTH
CPWM
FG
RD
IN-
HB
IN+
CT
ROFF
6VREG
SGND
VOVER
OUT1N
OUT1P
Function
Driver output2P
Driver output2N
Supply voltage
VLIM voltage setting
Current sensing
Minimum speed setting
Speed setting
Oscillation frequency setting
Rotation speed output
Rotation detection output
Hall input-
Hall bias
Hall input+
Shutdown time and restart time setting
Soft switching time setting
6V regulator
Control stage GND
Over voltage protect
Driver output1N
Driver output1P
Table 1. Pin Description
Datasheet
SDC11967
January, 2013 Rev. 1.0
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
2/10
www.sdc-semi.com









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SDC11967 Даташит, Описание, Даташиты
Single-Phase Full-Wave Pre-Driver For Fan Motor
Functional Block Diagram
CT Discharge circuit
VCC
6VREF
ROFF
HB
6VREF
Hall-Bias
IN+
IN-
Hysteresis AMP
Controller
Oscillation circuit
Datasheet
SDC11967
FG
RD
OUT1N
OUT1P
OUT2N
OUT2P
Ordering Information
Figure 2. Functional Block Diagram
SDC11967 X X - X
Circuit Type
E1: Pb-free
G1: Halogen-free
TR: Tape
Blank: Tube
Package
SSOP-20: L
Package
SSOP-20
Temperature
Range
-30°C~95°C
Part Number
Pb-free
SDC11967LTR-E1
SDC11967L-E1
Halogen-free
SDC11967LTR-G1
SDC11967L-G1
Marking ID
Pb-free
SDC11967
SDC11967
Halogen-free
SDC11967-G
SDC11967-G
Packing
Type
Tape
Tube
January, 2013 Rev. 1.0
©2013 Shaoxing Devechip Microelectronics Co., Ltd.
3/10
www.sdc-semi.com










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Номер в каталогеОписаниеПроизводители
SDC11967Single-Phase Full-Wave Pre-DriverSDC
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