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AP1346 Datasheet Preview

AP1346 Datasheet

(AP1346 / AP1347) Two Coil Fan Motor Predriver

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Two Coil Fan Motor Predriver
AP1346/1347
„ Features
- Compatible to a Hall element
- Operating voltage (VCC) : 4V to 28V
- Lock shutdown and automatic restart
- Rotation detection (RD) output name as AP1347
- Speed indication output (FG) named as AP1346
- Output current IO=70mA (max)
- Operating temperature (Topr) : -30ºC to +85ºC
- SOP8 package
- Include Thermal Shutdown circuit
„ Application
- High voltage, high current brushless DC fan
„ General Description
The AP1346/7 fan motor predriver is suited for
two-coil brush-less DC fan. All functions, including
lock shutdown, automatic restart, speed indication
(FG), have been integrated into one chip. When the
motor is under lock condition, lock shutdown
function turns off the output. When the lock
condition is removed, the IC automatically restarts
and allows DC fan to run. In addition, the FG
function is to indicate the rotation speed and the RD
function is to detect the motor status.
„ Pin Assignment
( Top view )
VCC 1
8 OUT1
HS(+) 2
FG/RD 3
7 OUT2
AP1346/1347
6 CT
HS(-) 4
SOP-8L
5 GND
„ Pin Descriptions
Name
VCC
HS(+)
FG /RD
HS(-)
GND
CT
OUT2
OUT1
Description
Power input
Hall input
Speed indication /
detection
Hall input
Ground
Timing capacitor
Driver output
Driver output
Rotation
„ Ordering Information
AP134X X - X X X
Part Number
6: AP1346
7: AP1347
Wafer Body
Package
Lead
Blank or
S: SOP-8L L: Lead Free
A~Z : if necessary
to specify
Blank: Normal
Packing
Blank : Tube
A : Taping
This datasheet contains new product information. Anachip Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of
this product. No rights under any patent accompany the sale of the product.
Rev. 0.0 Jun 9, 2004
1/5




Anachip

AP1346 Datasheet Preview

AP1346 Datasheet

(AP1346 / AP1347) Two Coil Fan Motor Predriver

No Preview Available !

Two Coil Fan Motor Predriver
„ Block Diagram
VCC 1
HS(+) 2
Reg.
+
Hall
- amp
Control Logic
AP1346/1347
Predriver 1
Predriver 2
8 OUT1
7 OUT2
6 CT
FG/RD 3
HS(-) 4
Lock
Detection
Automatic
Restart
5 GND
„ Application Circuit
Voltage
Input
D2
D1 L1 L2
C1 R1
Hall
element
VCC
OUT1
HS(+)
Q1
R4
Z11
Z1N
Q2
OUT2
R2 AP1346/
V1 R5
AP1347
HS(-)
R6
CT FG/RD
output
C2 GND
Z21
Z2N
Anachip Corp.
www.anachip.com.tw
Rev 0.0 Jun 9, 2004
2/5


Part Number AP1346
Description (AP1346 / AP1347) Two Coil Fan Motor Predriver
Maker Anachip
Total Page 5 Pages
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