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BD6232 Datasheet(PDF) 1 Page - Rohm |
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BD6232 Datasheet(HTML) 1 Page - Rohm |
1 / 8 page 1 ROHM Motor Driver IC Solutions Evaluation Board: H-Bridge Motor Drivers For DC Brush Motors BD6212FP, BD6222FP, BD6232FP (2A / 5.5V, 15V, 32V) ●Introduction This application note will provide the steps necessary to operate and evaluate ROHM’s H-Bridge motor drivers using the BD62x2 evaluation board. DC brush motors are increasingly required for a broad range of applications. DC brush motor is preferred due to their simplicity, reliability and low cost. H-bridge driver ICs control the motor’s direction, speed, braking and idling. ●Description This evaluation board has been developed for ROHM’s H-Bridge driver customers evaluating the BD62x2FP series. The BD62x2FP series can operate across a wide range of power supply voltages (from 3V to 32V max), supporting output currents of up to 2A. PWM signal control (20 kHz-100 kHz) or VREF control modes are used to vary motor rotation speeds. ROHM’s ICs are complete with over current protection (OCP), over voltage protection (OVP), thermal shutdown (TSD) and under voltage lock out (UVLO) protection circuits while also facilitating a low-power consumption design (10µA max). Overlap (shoot-through) protection to prevent high currents during motor reversal or breaking is also built in. In addition, the devices are designed to withstand up to 4 kV ESD. ●H-Bridge Motor Driver Operation Modes a) Stand-by mode b) Forward mode c) Reverse mode d) Brake mode e) Forward PWM control mode f) Reverse PWM control mode g) Forward VREF control mode h) Reverse VREF control mode ●Applications VCR; CD/DVD players; A/V equipment; optical disc drives; PC peripherals; car audio; car navigation systems; office automation equipment ●Evaluation Board Operating Limits and Absolute Maximum Ratings Parameter Symbol Limit Unit Conditions MIN TYP MAX Supply Voltage BD6212 VCC 3 - 5.5 V BD6222 VCC 6 - 15 V BD6232 VCC 6 - 32 V VREF Voltage BD6212 VREF 1.5 - 5.5 V BD6222 VREF 3 - 15 V BD6232 VREF 3 - 32 V Electrical Characteristics Max.Output Current IOMAX - - 2 A VREF bias current IVREF -10 0 10 µA VREF = Vcc Output Carrier Frequency FPWM 20 25 35 kHz BD6212 / BD6222 / BD6232 => VREF = 3.75V / 9V / 18V Input Frequency Range FMAX 20 - 100 kHz FIN / RIN Stand-by current ISTBY - 0 10 µA Stand-by No.0000000012 |
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