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L6229D
L6229 DMOS driver for 3-phase brushless DC motor Datasheet - production data Diagnostic output Constant tOFF PWM current controller Slow decay synchr. rectification 60° and 120° hall effect decoding logic Brake function Tachometer output for speed loop Cross conduction protection Thermal shutdown Undervoltage lockout Integrated fast freewheeling diodes Description The L6229 is a DMOS fully integrated 3-phase motor driver with overcurrent protection. Realized in BCD 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 3-phase BLDC motor including: a 3-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 PowerDIP24 (20 + 2 + 2), PowerSO36 and SO24 (20 + 2 + 2) packages, the L6229 features a non-dissipative overcurrent protection on the high-side Power MOSFETs and thermal shutdown. Table 1. Order codes Features Part number powerSO36 L6229D RDS(ON) 0.73 typ. value at Tj = 25 °C Operating frequency up to 100 KHz PowerDIP24 L6229DP 2.8 A output peak current (1.4 A DC) Package L6229N Operating supply voltage from 8 to 52 V SO24 Non-dissipative overcurrent detection and protection March 2014 This is information on a product in full production. DocID9455 Rev 4 1/34 www.st.com
STM
STMicroelectronics NV
スイス
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