
ROHM Semiconductor
Description
The BD6373GW motor driver provides 6 Full-ON Drive H-bridge channels. The BD6873KN motor driver provides 5 Full-ON Drive H-bridge channels and 1 Linear Constant-Current Drive H-bridge channel, while the BD6753KV provides 4 Full-ON Drive channels and 2 PWM Constant-Current Drive H-bridge channels.
FEATUREs
1) Subminiature 31PIN Wafer-level CSP (Chip Size Package): 2.6 x 2.6 x 0.85mm3 (BD6373GW)
2) DMOS output allowing a range power supply: 4.5V to 10.5V (BD6753KV; VM1), 2.0V to 10.5V (BD6753KV; VM2 to VM4)
3) Low ON-Resistance Power MOS output:
Full-ON Drive block with 1.2Ω Typ. (BD6373GW)
Full-ON Drive block with 1.2Ω Typ. and Linear Constant-Current Drive block with 1.0Ω Typ. (BD6873KN)
Full-ON Drive block with 1.2Ω Typ. and PWM Constant-Current Drive block with 1.2Ω Typ. (BD6753KV)
4) Serial interface 3-line bus control input (BD6753KV)
5) Built-in two-step output current setting switch for the Linear Constant-Current Drive block (BD6873KN)
6) Drive mode switching function
7) 1.2V±3% high-precision reference voltage output (BD6873KN)
8) Constant-Current Drive block features phase compensation capacitor-free design (BD6873KN)
9) Built-in ±3% high-precision Linear Constant-Current Driver (BD6873KN)
10) Built-in peak current control PWM Constant-Current Driver (BD6753KV)
11) Built-in charge pump circuit for the DMOS gate voltage drive (BD6753KV)
12) UVLO (Under Voltage Lockout Protection) function
13) Built-in TSD (Thermal Shut Down) circuit
14) Standby current consumption: 0μA Typ.