TLE92108231QXXUMA1

4-ch half-bridge gate driver, 40V, 1A gate drive, dual current sense amps, SPI/PWM, VQFN-48

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Pieza del fabricante：

TLE92108231QXXUMA1

Paquete：

VQFN-48 (7 x 7 x 0.9 mm)

Descripción

Productos

The Infineon TLE92108231QXXUMA1 is a 4-channel half-bridge gate driver IC designed for automotive multi-motor driving applications. It integrates four independent half-bridge drivers with smart gate control architecture, supporting 4.5 V to 40 V supply voltage. Housed in a VQFN-48 package, it features adjustable slew rate, adaptive propagation delay control, and integrated current sense amplifiers.

Especificaciones

Configuración	4 Half-Bridges
Tensión de alimentación	4.5 V to 40 V
Gate Drive Current (Source/Sink)	Up to 1 A / 1 A
Current Sense Amplifiers	2 (inline, high-side, or low-side)
Interface	SPI / Hardware PWM
Slew Rate Control	Adjustable (8 levels)
Temperatura de funcionamiento	-40 °C to +150 °C
Paquete	VQFN-48 (7 x 7 mm)

Características

AEC-Q100 qualified for automotive applications
Smart gate drive architecture with adjustable slew rate and adaptive propagation delay
Two wide common-mode current sense amplifiers with programmable gain (10/20/40/80 V/V)
Integrated dead-time handshake to prevent cross-conduction
Triple charge pump supporting 100% PWM duty cycle
Comprehensive diagnostics: VDS overcurrent, VGS fault, open-load, thermal warning/shutdown
Window watchdog timer and dedicated DRVOFF pin
Wettable flanks VQFN package for automated optical inspection

Aplicaciones

Automotive HVAC blower motor control
Door lock and window lift actuators
Seat adjustment and cooling fan motors
Pump and valve control in automotive fluid systems

Introducción del producto:TLE92108231QXXUMA1 Presentación del producto

The Infineon TLE92108231QXXUMA1 is a highly integrated multi-channel half-bridge gate driver designed for driving multiple external N-channel MOSFETs in automotive motor control applications. It features four independent half-bridge drivers with smart gate control that manages dead time, slew rate, and propagation delay automatically. Two integrated current sense amplifiers with wide common-mode voltage range support inline, high-side, or low-side current sensing, enabling continuous motor current measurement even during PWM recirculation. The device supports SPI configuration for detailed diagnostics and control, as well as hardware PWM mode for simplified MCU interfacing. Comprehensive protection features include VDS overcurrent monitoring, VGS gate fault detection, open-load diagnostics, undervoltage/overvoltage monitors, and thermal warning with shutdown. AEC-Q100 Grade 0 qualification ensures operation up to 150 °C ambient temperature.

Principio de funcionamiento:TLE92108231QXXUMA1 Principio de funcionamiento

The TLE92108231QXXUMA1 operates as a multi-channel gate driver that converts logic-level PWM commands from an MCU into high-current gate drive signals for external N-channel MOSFETs. The smart gate drive architecture manages three critical parameters: (1) Slew rate control — adjustable across 8 levels to optimize EMI vs. switching loss trade-off; (2) Adaptive propagation delay — calibrates channel-to-channel timing to minimize distortion in multi-phase motor drives; (3) Dead-time handshake — integrated cross-conduction prevention with configurable dead time. The triple charge pump ensures sufficient gate drive voltage (above supply rail) even at 100% PWM duty cycle. Two current sense amplifiers with programmable gain (10/20/40/80 V/V) measure voltage across external shunt resistors with wide common-mode range (-2 V to 58 V), enabling inline current sensing regardless of MOSFET switching state. The SPI interface provides access to configuration registers, real-time diagnostics, and fault status.

Descripción de la clavija:TLE92108231QXXUMA1 Definición y funciones de las clavijas

Pin	Nombre	Tipo	Función
1	VS	Potencia	Battery supply voltage (4.5-40V)
2	VDROFF	Entrada	Driver disable (active low)
3-6	GH1-GL1	Salida	Half-bridge 1 gate outputs
7-10	GH2-GL2	Salida	Half-bridge 2 gate outputs
11-14	GH3-GL3	Salida	Half-bridge 3 gate outputs
15-18	GH4-GL4	Salida	Half-bridge 4 gate outputs
19	SO1	Salida	Current sense amplifier 1 output
20	SO2	Salida	Current sense amplifier 2 output
21-22	CSP1/CSN1	Entrada	CSA1 positive/negative inputs
23-24	CSP2/CSN2	Entrada	CSA2 positive/negative inputs
25-28	PWM1-PWM4	Entrada	PWM input signals
29	nFAULT	Salida	Fault interrupt output (active low)
30	SDI	Entrada	SPI data input
31	SDO	Salida	SPI data output
32	SCLK	Entrada	SPI clock
33	CSN	Entrada	SPI chip select (active low)
34	ES	Entrada	Device enable
35	WDI	Entrada	Watchdog trigger input
36	BRAKE	Entrada	Brake mode enable
37-40	SH1-SH4	Entrada	Source sense inputs (HS feedback)
41-42	CP1/CP2	Potencia	Charge pump capacitor
43	VCC	Potencia	5V internal regulator output/decoupling
44	GND	Suelo	Device ground

Application Scenarios:In which products and applications isTLE92108231QXXUMA1 usado

Automotive HVAC blower and fresh air flap motor control
Multi-motor door module (lock, window, mirror)
Seat adjustment with multiple DC motor axes
Active grille shutter and coolant valve actuation

Alternative Models:What chips are recommended as replacements for TLE92108231QXXUMA1

Fabricante	Número de pieza	Paquete	Notas
TI	DRV8714SQRVJRQ1	VQFN-56	4-ch half-bridge gate driver, similar features
Infineon	TLE92104SQRVJRQ1	VQFN-48	4-ch variant with different CSA config
TI	DRV8705SQRVJRQ1	VQFN-40	Single half-bridge gate driver
Infineon	TLE92108231QXXUMA1	VQFN-48	Extended temp grade 0