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L6229

STMicroelectronics
Part Number L6229
Manufacturer STMicroelectronics
Description DMOS driver
Published Mar 6, 2023
Detailed Description L6229 Datasheet DMOS driver for 3-phase brushless DC motor Power S036 SO24 (20 + 2 + 2) Product status link L6229 Pr...
Datasheet PDF File L6229 PDF File

L6229
L6229

Overview
L6229 Datasheet DMOS driver for 3-phase brushless DC motor Power S036 SO24 (20 + 2 + 2) Product status link L6229 Product summary Order code Package Packing L6229D SO-24 Tube L6229DTR SO-24 Tape and reel L6229PD PowerSO36 Tube L6229PDTR PowerSO36 Tape and reel Product label Features • Operating supply voltage from 8 to 52 V • 2.
8 A output peak current (1.
4 A DC) • RDS(ON) 0.
73 Ω typ.
value at 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 • Tachometer output for speed loop • Cross conduction protection • Thermal shutdown • Undervoltage lockout • Integrated fast free wheeling diodes Application • Factory automation end-points • Home appliances • Small pumps • ATMs 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 Power SO36 and SO24 (20 + 2 + 2) packages, the L6229 features a non-dissipative overcurrent protection on the high-side power MOSFET and thermal shutdown.
DS3275 - Rev 7 - April 2022 For further information contact your local STMicroelectronics sales office.
www.
st.
com L6229 Block diagram 1 Block diagram VBOOT VCP DIAG EN BRAKE FWD/REV H3 H2 H1 RCPULSE TACHO Figure 1.
Block diagram VBOOT CHARGE PUMP THERMAL PROTECTION OCD OCD1 OCD2 OCD3 OCD VBOOT OCD1 10 V VBOOT HALL EFFECT SENSORS DECODING LOGIC GATE LOGIC OCD2 10 V VBOOT TACHO MONOSTABLE 10 V 5 V VOLTAGE REGULATOR OCD...


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