NJU7343 Datasheet: Single-phase DC Brushless Motor Driver IC





NJU7343 Single-phase DC Brushless Motor Driver IC Datasheet

Part Number NJU7343
Description Single-phase DC Brushless Motor Driver IC
Manufacture New Japan Radio
Total Page 6 Pages
PDF Download Download NJU7343 Datasheet PDF

Features: NJU7343 Single-phase DC Brushless Motor Driver IC ■ GENERALDESCRIPTION ■ PACKAGE OUTLINE The NJU7343 is single -phase DC brushless motor driver IC de signed for a small fan motor. Adopting the CMOS process, it can provide a low saturation output voltage that is eff ective in high current operation. It h as Lock Detect / Auto Reset and Thermal Shutdown Circuit for safety fan operat ion, and it has FG output function as u seful function. NJU7343R ( MSOP10 (VSP 10) ) It is available in a small MSOP1 0 (VSP10) package, which makes motors thin and small. It is suitable for smal l and high output fan motor applicatio ns. ■ FEATURES • Operating Voltag e 2.2 to 5.5V • Lock Detect / Auto Release • FG Output • Thermal Shu tdown Circuit • Low Operating Curren t • Low Saturation Output Voltage Vsat= ±0.25V @Io=±500mA • Input offset voltage ±5mV • CMOS Techno logy • Package Outline MSOP10 (VSP1 0)* *MEET JEDEC MO-187-DA ■ BLOCK DIAGRAM 1 LD 2 3 4 5 TSD ■ PIN FUNCTION 1: Ct 10 2: FG.

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NJU7343
Single-phase DC Brushless Motor Driver IC
GENERALDESCRIPTION
PACKAGE OUTLINE
The NJU7343 is single-phase DC brushless motor driver
IC designed for a small fan motor. Adopting the CMOS
process, it can provide a low saturation output voltage that
is effective in high current operation.
It has Lock Detect / Auto Reset and Thermal Shutdown
Circuit for safety fan operation, and it has FG output
function as useful function.
NJU7343R
( MSOP10 (VSP10) )
It is available in a small MSOP10 (VSP10) package, which
makes motors thin and small. It is suitable for small and
high output fan motor applications.
FEATURES
Operating Voltage
2.2 to 5.5V
Lock Detect / Auto Release
FG Output
Thermal Shutdown Circuit
Low Operating Current
Low Saturation Output Voltage
Vsat= ±0.25V @Io=±500mA
Input offset voltage
±5mV
CMOS Technology
Package Outline
MSOP10 (VSP10)*
*MEET JEDEC MO-187-DA
BLOCK DIAGRAM
1
LD
2
3
4
5
TSD
PIN FUNCTION
1: Ct
10 2: FG
3: VDD
4: OUT B
9 5: Vss
6: Vss
7: OUT A
8 8: VDD
9: IN-
10: IN+
7
(Note)
All VDDpins should be connected to the power
6 supply and all VSS pins should be connected to
the ground respectively. Otherwise, the electrical
characteristics may not satisfy specifications
Ver.2013-09-09
-1-

                 






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