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说明
- Voltage Range 2V (1.8V) to 11V DC
- Battery Operation 1-2 Li-Ion cells, or min. 2 AA / NiMh cells
- 1 / 2 DC motors up to 2A / 2.4A with velocity & torque control
- Direct Bridge control for solenoids, relays, lamps, motors
- Standby <50nA typ. current draw
- Single Wire UART for two-motor torque and velocity control
- Low RDSon LS 170mΩ & HS 170mΩ (typ.)
- Parallel Option for single DC motor
- Motor Load Feedback available
- Full Protection & Diagnostics
- Tiny of QFN 3*3 with 20 pins
特性
Working from a single or dual Li-Ion cell or dual or more AA batteries the TMC7300 is optimally suited for battery operated equipment. Its two full-bridges allow either control of two DC motors, PWM-control of LEDs, or protected standalone peripheral driving, using a polarity signal per halfbridge. Operate up to two DC motors via simple UART control for direction, velocity and torque. Integrated power-MOSFETs with internal charge-pump for best-in-class RDSon even at low supply voltage, handle motor current up to 1.2A per motor continuously, or the double current in parallel connection. Together with a tiny standby current, this guarantees a long battery life. Protection and diagnostic features support robust and reliable operation. This advanced driver ensures efficient and reliable operation for cost-effective and highly competitive solutions.
APPLICATIONS
- IOT & Handheld devices
- Battery operated motors
- 4-Channel Relay- and LED driving
- Printers, POS
- Toys
- Office and home automation
- CCTV, Security
- HVAC
- Mobile medical devices
