Moter Drivers for Printers Motor Drivers with Brush for Printers BD63821EFV, BD63823EFV No.12010EAT06 Description BD63821EFV/BD63823EFV series are built-in 2 channel H-bridge circuits that can drive 2pcs DC brush motor or 1pcs stepping motor. These drivers facilitate low power consumption by the direct PWM or PWM constant current control. Feature 1) Single power supply input (rated voltage of 36V) 2) Rated output current (peak): 1.0A(1.5A), 2.0A(2.8A) 3) Low ON resistance DMOS output 4) Forward, Reverse, Brake, Open 5) Power save function 6) External PWM control 7) PWM constant current control (current limit function) 8) Built-in spike noise cancel function (external noise filter is unnecessary) 9) Driver for 2 DC brush motor 10) Driver for 1 stepping motor 11) FULL STEP, HALF STEP (driving stepping motor) 12) STEP drive by external DAC (driving stepping motor) 13) Built-in logic input pull-down resistor 14) Cross-conduction prevention circuit 15) Signal output of detecting the motor lock state (Wired-OR) 16) Signal output of detecting the abnormal states (Wired-OR) 17) Thermal shutdown circuit (TSD) 18) Over current protection circuit (OCP) 19) Under voltage lock out circuit (UVLO) 20) Over voltage lock out circuit (OVLO) 21) Ghost Supply Prevention (protects against malfunction when power supply is disconnected) 22) Electrostatic discharge: 8kV (HBM specification) 23) Adjacent pins short protection 24) Inverted mounting protection 25) Microminiature, ultra-thin and high heat-radiation (exposed metal type) HTSSOP-B28 package 26) Pin-compatible line-up Application PPC, multi-function printer, laser beam printer, ink jet printer, monitoring camera, WEB camera, sewing machine, photo printer, FAX, scanner, mini printer, toy, and robot etc. www.rohm.com 2012.02 - Rev.A 1/8 2012 ROHM Co., Ltd. All rights reserved. Technical Note BD63821EFV, BD63823EFV Absolute maximum ratings (Ta=25C) Item Symbol BD63823 BD63821 Unit Supply voltage V -0.3~+36.0 V CC1,2 1 1.45 W Power dissipation Pd 2 4.70 W Input voltage for control pin V -0.3~+7.0 V IN RNF maximum voltage V 0.7 V RNF 3 3 Output current I 2.0 1.0 A/ch OUT 4 3 3 Output current (peak) I 2.8 1.5 A/ch OUTPEAK FAULT, LOCK voltage V -0.3~7.0 V FAULT FAULT, LOCK current I 5 mA FAULT Operating temperature range T -25~+85 C opr Storage temperature range T -55~+150 C stg Junction temperature T +150 C jmax 1 70mm70mm1.6mm glass epoxy board. Derating in done at 11.6mW/C for operating above Ta=25C. 2 4-layer recommended board. Derating in done at 37.6mW/C for operating above Ta=25C. 3 Do not, however exceed Pd, ASO and Tjmax=150C. 4 Pulse width tw20ms Operating conditions (Ta= -25~+85C) Item Symbol Min. Typ. Max. Unit Supply voltage V 19 24 28 V CC1,2 Input voltage for control pin V 0 - 5.5 V IN PWM input frequency F - - 100 kHz IN Electrical characteristics (Unless otherwise specified Ta=25C, V =24V) CC1.2 Limit Item Symbol Unit Condition Min. Typ. Max. Whole Circuit current at standby I - 1.0 2.5 mA PS=0V CCST Circuit current I - 2.5 5.0 mA PS=IN1A=IN1B=5V CC Control input (IN1A, IN1B, IN2A, IN2B, PS) H level input voltage V 2.0 - - V INH L level input voltage V - - 0.8 V INL H level input current I 35 50 100 A V =5V INH IN L level input current I -10 0 - A V =0V INL IN FAULT LOCK output (FAULT, LOCK) Output low voltage V - 50 100 mV I =1mA FAULT FAULT Output leak current I - - 10 A V =5V FAULT LEAK FAULT Output (OUT1A, OUT1B, OUT2A, OUT2B) I =1.5A,sum of upper and lower Output on resistance (BD63823EFV) R - 0.65 0.90 OUT ON I =0.5A,sum of upper and lower Output on resistance (BD63821EFV) R 1.90 2.50 OUT ON Output leak current I - - 10 A LEAK Current control RNFXS input current I -2.0 -0.1 - A RNFXS=0V RNFS RNFX input current I -40 -20 - A RNFX=0V RNF VREF input current I -2.0 -0.1 - A VREFX=0V VREF VREF input voltage range V 0 - 3.0 V REF Minimum on time (Blank time) t 0.7 1.5 3.0 s ONMIN Current limit V 0.57 0.60 0.63 V VREFX=3V CTH Comparator threshold www.rohm.com 2012.02 - Rev.A 2/8 2012 ROHM Co., Ltd. All rights reserved.