الصفحة الرئيسية > الدوائر المتكاملة لإدارة الطاقة (PMIC) > الدوائر المتكاملة لسائق البوابة > DRV8714SQRVJRQ1

DRV8714SQRVJRQ1

4-ch half-bridge smart gate driver, 37V, 62mA gate, dual CSA, SPI/PWM, VQFN-56, AEC-Q101

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جزء الشركة المصنعة ： جزء الشركة المصنعة

DRV8714SQRVJRQ1

الحزمة ： الحزمة

VQFN-56 (RVJ) (8 x 8 x 1.0 mm)

العلامة التجارية ： العلامة التجارية

فئات المنتجات:：فئات المنتجات

الدوائر المتكاملة لسائق البوابة, الدوائر المتكاملة الدوائر المتكاملة

توصيات أخرى قد تكون مهتماً بها.

IS43TR16256BL-125KBLI

الوصف

نظرة عامة على المنتج

The Texas Instruments DRV8714SQRVJRQ1 is an automotive-qualified 4-channel half-bridge smart gate driver with integrated current sense amplifiers. Operating from 4.9 V to 37 V, it drives four external N-channel MOSFET half-bridges with intelligent gate control, programmable slew rate, and adaptive propagation delay. Housed in a 56-pin VQFN package with wettable flanks, it is AEC-Q100 Grade 1 qualified.

المواصفات الرئيسية

التكوين	4 Half-Bridges
جهد الإمداد	4.9 V to 37 V (abs max 40 V)
Gate Drive Current (Source/Sink)	50 µA to 62 mA (programmable)
Current Sense Amplifiers	2 (wide common-mode, inline capable)
CSA Gain Settings	10 / 20 / 40 / 80 V/V
الواجهة	SPI / Hardware PWM
درجة حرارة التشغيل	-40 °C to +125 °C
الحزمة	VQFN-56 (RVJ) (8 x 8 mm)

الميزات

AEC-Q100 Grade 1 qualified for automotive applications
Smart gate drive with adjustable slew rate and adaptive propagation delay
Triple charge pump for 100% PWM duty cycle support
2 wide common-mode current sense amplifiers (inline, high-side, or low-side)
Integrated dead-time handshake prevents cross-conduction
Half-bridge, H-bridge, and SPI control modes
Comprehensive diagnostics: VDS OCP, VGS fault, open-load, thermal warning/shutdown
Window watchdog timer and dedicated DRVOFF pin

التطبيقات

Automotive HVAC blower and actuator motor drives
Door module multi-motor control
Seat position and adjustment motors
Automotive pump and valve control

مقدمة المنتج:DRV8714SQRVJRQ1 مقدمة المنتج

The Texas Instruments DRV8714SQRVJRQ1 is a highly integrated automotive-grade multi-channel gate driver designed for driving external N-channel MOSFETs in motor control and load switching applications. It features four independent half-bridge gate drivers with intelligent gate control architecture that manages slew rate, propagation delay, and dead time automatically. Two integrated current sense amplifiers with wide common-mode voltage range support inline, high-side, or low-side current sensing configurations, enabling continuous motor current measurement during PWM operation. The programmable gate drive strength (50 µA to 62 mA) allows optimization for different MOSFET sizes and EMI requirements. The device supports both SPI configuration for detailed control and diagnostics, and hardware PWM mode for simplified interfacing. Comprehensive protection features include VDS overcurrent monitoring, VGS gate fault detection, open-load and short-circuit diagnostics, and thermal warning with shutdown protection.

مبدأ العمل:DRV8714SQRVJRQ1 مبدأ العمل

The DRV8714SQRVJRQ1 converts logic-level PWM commands from an MCU into high-current gate drive signals for external N-channel MOSFETs. The smart gate drive architecture provides three key features: (1) Programmable slew rate control — adjusts MOSFET switching speed across multiple levels to optimize EMI vs. switching loss trade-off; (2) Adaptive propagation delay — compensates for channel-to-channel timing variations to minimize distortion in multi-phase drives; (3) Integrated dead-time handshake — ensures both high-side and low-side MOSFETs in a half-bridge are never on simultaneously. The triple charge pump generates gate drive voltage above the supply rail, enabling 100% PWM duty cycle operation. Two current sense amplifiers measure voltage across external shunt resistors with a wide common-mode range, supporting inline current sensing where the shunt is placed between the half-bridge output and the motor. The programmable gain (10/20/40/80 V/V) accommodates different shunt resistor values and current ranges. SPI provides access to all configuration registers, real-time fault status, and diagnostic information.

وصف الدبوس:DRV8714SQRVJRQ1 تعريف الدبوس ووظائفه

دبوس	الاسم	النوع	الوظيفة
1-2	GH1/GL1	المخرجات	Half-bridge 1 high/low gate drive
3-4	SH1/SL1	المدخلات	HB1 source sense / current sense
5-8	GH2/GL2/SH2/SL2	الإدخال/الإخراج	Half-bridge 2 gate and sense
9-12	GH3/GL3/SH3/SL3	الإدخال/الإخراج	Half-bridge 3 gate and sense
13-16	GH4/GL4/SH4/SL4	الإدخال/الإخراج	Half-bridge 4 gate and sense
17	SO1	المخرجات	Current sense amplifier 1 output
18	SO2	المخرجات	Current sense amplifier 2 output
19-20	CSP1/CSN1	المدخلات	CSA1 shunt sense inputs
21-22	CSP2/CSN2	المدخلات	CSA2 shunt sense inputs
23-26	PWM1-PWM4	المدخلات	PWM command inputs
27	nFAULT	المخرجات	Fault interrupt (active low)
28	SDI	المدخلات	SPI data in
29	SDO	المخرجات	SPI data out
30	SCLK	المدخلات	SPI clock
31	nCS	المدخلات	SPI chip select
32	DRVOFF	المدخلات	Global driver disable
33	WDI	المدخلات	Watchdog input
34	EN	المدخلات	Device enable
35-36	CP1/CP2	الطاقة	Charge pump capacitor pins
37	VM	الطاقة	Motor supply (4.9-37V)
38-39	VCC/AVDD	الطاقة	Internal regulator outputs
40	GND	أرضي	Device ground
41-56	NC/RESERVED	-	Connect per datasheet

Application Scenarios:In which products and applications isDRV8714SQRVJRQ1 مستعمل

Automotive HVAC blower motor with current-limited control
Multi-axis seat adjustment motor drive
Door lock and window lift H-bridge control
Active shutter and valve actuator drives

Alternative Models:What chips are recommended as replacements for DRV8714SQRVJRQ1

الشركة المصنعة	رقم الجزء	الحزمة	الملاحظات
إنفينيون	TLE92108231QXXUMA1	VQFN-48	Similar 4-ch half-bridge gate driver
TI	DRV8718SQRVJRQ1	VQFN-64	8-ch version of DRV8714
إنفينيون	TLE92104SQRVJRQ1	VQFN-48	4-ch gate driver variant
TI	DRV8705SQRVJRQ1	VQFN-40	Single HB gate driver