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参数资料
| 型号： | L6229QTR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 运动控制电子 |
| 英文描述： | BRUSHLESS DC MOTOR CONTROLLER, 2.8 A, QCC32 |
| 封装： | 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32 |
| 文件页数： | 1/28页 |
| 文件大小： | 521K |
| 代理商： | L6229QTR |
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August 2010
Doc ID 15209 Rev 3
1/28
28
L6229Q
DMOS driver for three-phase brushless DC motor
Features
■ Operating supply voltage from 8 to 52 V
■ 2.8 A output peak current (1.4 A RMS)
■ RDS(on) 0.73 Ω typ. value @ TJ = 25 °C
■ Operating frequency up to 100 kHz
■ Non dissipative overcurrent detection and
protection
■ Diagnostic output
■ Constant tOFF PWM current controller
■ Slow decay synchronous rectification
■ 60° and 120° hall effect decoding logic
■ Brake function
■ Cross conduction protection
■ Thermal shutdown
■ Under voltage lockout
■ Integrated fast free wheeling diodes
Description
The L6229Q is a DMOS fully integrated three-
phase motor driver with overcurrent protection.
Realized in BCDmultipower technology, the
device combines isolated DMOS power
transistors with CMOS and bipolar circuits on the
same chip.
The device includes all the circuitry needed to
drive a three-phase BLDC motor including: a
three-phase DMOS bridge, a constant off time
PWM current controller and the decoding logic for
single ended hall sensors that generates the
required sequence for the power stage.
Available in VFQFPN-32 5 x 5 package, the
L6229Q features a non-dissipative overcurrent
protection on the high side power MOSFETs and
thermal shutdown.
VFQFPN32 5 mm x 5 mm
Table 1.
Device summary
Order codes
Package
Packaging
L6229Q
VFQFPN32 5x5x1.0 mm
Tube
L6229QTR
Tape and reel
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