Texas Instruments' DRV8212 is a sophisticated motor driver designed for various applications. With its integrated design incorporating four N-channel power FETs, a charge pump regulator, and comprehensive protection circuitry, the DRV8212 stands out for its versatility and reliability.
The triple-charge pump architecture of the DRV8212 enables it to operate effectively within a wide voltage range, from 1.65 V to 5.5 V, accommodating diverse supply rails and ensuring performance even under low-battery conditions. This feature enhances the device's flexibility and applicability in different scenarios.
One of the key advantages of the DRV8212 is its compact design facilitated by the integrated capacitors in the charge pump, reducing the overall solution size on a PCB. This compact form factor not only saves space but also enables 100% duty-cycle operation, optimizing motor performance.
Moreover, the DRV8212 offers multiple control interface modes, including PWM (IN1/IN2), phase/enable (PH/EN), independent half-bridge, and parallel half-bridge. Each interface supports a low-power sleep mode, allowing for ultra-low quiescent current draw by deactivating most internal circuitry during idle periods.
In terms of performance, the DRV8212 can deliver up to 4 A peak output current, making it suitable for demanding applications. The device incorporates robust internal protection mechanisms such as supply undervoltage lockout (UVLO), output overcurrent (OCP), and device overtemperature (TSD), ensuring reliable operation and safeguarding against potential hazards.
Furthermore, the DRV8212 comes in pin-to-pin scalable RDS(ON) and supply voltage options, facilitating easy integration into different systems without requiring significant design modifications. This scalability enhances the device's adaptability to various loads and supply rails, making it a versatile and user-friendly solution for motor control applications.
Ultra-low-power sleep mode
Operating supply voltage range: 1.65 V to 11 V
Multiple interfaces for flexibility and reduced GPIO
Standard PWM interface (IN1/IN2)
Logic inputs: 1.8 V, 3.3 V, and 5 V
<84.5 nA at VVM = 5 V, VVCC = 3.3 V, and TJ = +25°C
Timed auto-sleep mode to reduce GPIO
Protection features: UVLO, OCP, and TSD
DRV8212: 1.65 V to 11 V, 280 mΩ, and multiple interfaces
DRV8212P: sleep pin and PWM interface
N-channel H-bridge motor driver:
MOSFET on-resistance: HS + LS 280 mΩ
Drives one bidirectional brushed DC motor
Two unidirectional brushed DC motors
One single- or dual-coil latching relay
Push-pull and bistable solenoids
Other resistive, inductive, or LED loads
High output current capability:
Full-bridge: 4 A peak
Half-bridge: 4 A peak per output
Parallel half-bridge: 8 A peak
Brushed DC motors, solenoids, and relay driving
Water, gas, and electricity meters
IP network camera IR cut filters
Video doorbells
Machine vision cameras
Electronic smart locks
Electronic and robotic toys
Blood pressure monitors
Infusion pumps
Electric toothbrushes
Beauty and grooming
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