TB6524FN

TB6524FN TOSHIBA Bi−CMOS INTEGRATED CIRCUIT SILICON MONOLITHIC TB6524FN DC MOTOR DUAL FULL BRIDGE DRIVER (H−SWITCH) The TB6524FN is a bridge driver most suitable for switching between normal rotation and reverse rotation and can control three modes, normal rotation, reverse rotation, and stop. The driver is capable of handling output current of 100 mA. Fixed current operation is also available as the control method. FEATURES l Operating voltage range : VCC = 1.5 ~ 7.0 V (normal operation) VCC = 2.0 ~ 7.0 V (fixed current operation) l Output current l Built−in enable terminal : IOUT = 100 mA l Built−in diode for absorbing counter electromotive force Weight: 0.07 g (Typ.) BLOCK DIAGRAM 1 2001-06-13 TB6524FN PIN FUNCTION PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SYMBOL ENABLE INA GND OUTA1 RFA1 RFA2 OUTA2 VCC VCC OUTB2 RFB2 RFB1 OUTB1 GND INB VCC DESCRIPTION Enable signal input, Hi : Enabled, Low : All output OFF Channel A input signal terminal Ground terminal Channel A output terminal Channel A : Output current is set by external resistance. Channel A : Output current is set by external resistance. Channel A output terminal Power supply Power supply Channel B output terminal Channel B : Output current is set by external resistance. Channel B : Output current is set by external resistance. Channel B output terminal Ground terminal Channel B input signal terminal Logic power supply (8) VCC, (9) VCC, (16) VCC, (3) GND and (14) GND must be connected to VCC or GND. 2 2001-06-13 TB6524FN FUNCTION INA H L H L H/L INPUT INB H L L H H/L OUTPUT ENABLE H H H H L OUTA1 H L H L ∞ OUTA2 L H L H ∞ OUTB1 H L L H ∞ OUTB2 L H H L ∞ ∞: Note: High impedance Before you change "Enable" to Low from High on the operating, change to Low both "INA" and "INB". MAXIMUM RATING (Ta = 25°C) CHARACTERISTIC Power Supply Voltage Output Current Power Dissipation (Tc = 25°C) Operating Temperature Storage Temperature SYMBOL VCC (Max) IOUT PD Topr Tstg RATING 8 0.1 0.5 (Note) −30 ~ 75 −55 ~ 150 UNIT V A W °C °C Note: IC single unit 3 2001-06-13 TB6524FN ELECTRICAL CHARACTERISTICS (Ta = 25°C, VCC = 5 V) CHARACTERISTIC SYMBOL ICC1 Power Supply Current ICC2 Upper VSAT U−1 Lower VSAT L−1 Upper VSAT U−2 Lower VSAT L−2 Setting Output Current IOUT C ∆ΙOUTC ,VCC TEST CIR− CUIT 1 2 TEST CONDITION Standby (ENABLE OFF) Normal / reverse (for 2 channels) output OPEN IOUT = 100 mA at normal / reverse IOUT = 100 mA at normal / reverse MIN ― ― ― ― ― ― 55 TYP. 0.1 32 0.2 0.2 0.1 0.1 65 MAX 1.0 45 0.3 0.3 UNIT µA mA Output Saturation Voltage 3 IOUT = 50 mA at normal / reverse IOUT = 50 mA at normal / reverse 4 12 Ω between RFA1, 2 / RFB1, and 2−GND Load 7.5 Ω IOUT C = 10 ~ 100 mA (Rf : 8 Ω, 80 Ω) VCC = 2.0 ~ 7.0 V Load 5 Ω 560 µH (7.5 Ω) Rf = 16 Ω 0.25 0.25 75 V mA Output Current VCC Dependency Output Current Switching Duration Overshoot Duration Input Voltage Input Current 5 −8 ―  1.0 6.0 2.0 ― ― 430 ― ― 5 ― ― ― VCC 0.3 550 30 % tsw trs tos VIH VIL Iin Upper ILU Lower ILL 6 7 INA, INB, ENABLE Sync VIN = 5.0 V Input terminal 4.7 kΩ ― ― ― 1.5 0 ― ― µs V µA Output Transistor Leak Current 8 VL = 7 V ― 30 µA 4 2001-06-13 TB6524FN tsw, trs, tos 5 2001-06-13 TB6524FN TEST CIRCUIT 1 ICC1 TEST CIRCUIT 2 ICC2 TEST CIRCUIT 3 VSAT U−1,2 / VSAT L−1,2 Note: Set RA and RB so that IOUT = 50mA and 100mA is satisfied. 6 2001-06-13 TB6524FN TEST CIRCUIT 4 IOUT C TEST CIRCUIT 5 ∆IOUT C TEST CIRCUIT 6 VIH / VIL TEST CIRCUIT 7 Iin TEST CIRCUIT 8 ILU / ILL 7 2001-06-13 TB6524FN 8 2001-06-13 TB6524FN APPLICATION CIRCUIT Note: Utmost care is necessary in the design of the output line, VCC and GND line since IC may be destroyed due to short−circuit between outputs, air contamination fault, or fault by improper grounding. 9 2001-06-13 TB6524FN PACKAGE DIMENSIONS SSOP16−P−225−0.65B Unit: mm Weight: 0.07 g (Typ.) 10 2001-06-13 TB6524FN RESTRICTIONS ON PRODUCT USE 000707EBA · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc.. · The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in this document shall be made at the customer’s own risk. · The products described in this document are subject to the foreign exchange and foreign trade laws. · The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA CORPORATION for any infringements of intellectual property or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any intellectual property or other rights of TOSHIBA CORPORATION or others. · The information contained herein is subject to change without notice. 11 2001-06-13