Ordering number : ENA0649 Bi-CMOS LSI Two channels Constant-current H-bridge Driver LV8080LP Overview The LV8080LP is a two-channel constant-current driver that supports low-voltage operation. It is optimal for constant-current drive of stepping motors (AF and zoom) in portable equipment such as camera cell phones. Features • Two channels constant-current H-bridge driver • Built-in power supply switch and position detection comparator for use with a photoreflector • Supports both 2-phase drive and 1-2 phase drive. • Implemented in a low-power MOS IC process. • Ultraminiature easy to solder VCT16 package (2.6 × 2.6mm) • Built-in thermal protection and low-voltage sensing circuits Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Output voltage Symbol VOUT max Input voltage VIN max Ground pin source current Allowable power dissipation Conditions VCC, VM max IGND Pd max OUT1, OUT2, OUT3, OUT4 CONT, IN Ratings Unit 6.5 V 6.5 V -0.3 to +6.5 V Per channel 400 mA Mounted on a circuit board.* 700 mW Operating temperature Topr -30 to +85 °C Storage temperature Tstg -40 to +150 °C * Specified circuit board : 40×50×0.8mm3 : 4-layer (2S2P) glass epoxy printed circuit board Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. O1007 MS PC 20061128-S00006 No.A0649-1/8 LV8080LP Allowable Operating Ratings at Ta = 25°C Parameter Symbol Supply voltage VCC High-level input voltage VIH Low-level input voltage VIL Conditions Ratings Unit 2.5 to 6.0 CONT, IN V 0.6VCC or more V Up to 0.2VCC V Electrical Characteristics at Ta = 25°C, VCC = 3.0V Parameter Symbol Ratings Conditions min Current drain ICCO EN = 0V ICCO1 typ Unit max 0.1 1 μA mA EN = 3V 0.7 1 Ron1 VCC = 3.0V (High and low side total) EN = 3.0V, IOUT = 100mA 2.0 3.0 Ω Ron2 VCC = 5.0V (High and low side total) EN = 5.0V, IOUT = 100mA 1.50 2.0 Ω Constant-current output 1 IOUT1 Between RFG and ground : 1Ω 95 100 105 mA Constant-current output 2 IOUT2 Between RFG and ground : 0.5Ω 190 200 210 mA 1.3 3 μs 0.25 0.65 μs 1.0 1.06 V Output on resistance (Design specification) Output turn-on time Traise With RFG1 and RFG2 shorted to ground (Design specification) Output turn-off time Tfall With RFG1 and RFG2 shorted to ground (Design specification) Position detection voltage VH (high level) Position detection voltage VL 0.74 0.8 HYS 0.165 0.18 V (low level) Detection voltage hysteresis PI/PR pin current 0.195 IPI/PR Input current IIN VIN = 3V 15 V 20 mA 30 μA Note : The design specification items are design guarantees and are not measured. Package Dimensions Pin Assignment unit : mm (typ) 3318 (VCT16) TOP VIEW SIDE VIEW BOTTOM VIEW (0.125) VCC 16 15 PI/PR COMPOUT 14 13 OUT1 1 12 COMPIN OUT2 2 11 GND OUT3 3 10 CONT OUT4 4 9 (0.13) 2.6 RFG1 16 0.4 2.6 (C0.116) 2 1 0.5 LASER MARKED INDEX (0.55) (Top View) 6 7 RFG2 IN3 IN4 8 IN1 0.25 (0.035) 0.8 SIDE VIEW 5 IN2 SANYO : VCT16(2.6X2.6) No.A0649-2/8 LV8080LP Block Diagram VCC IN1 STM IN2 IN3 L O G I C IN4 VM RFG1 CONT 0.1V 1.0V LVS COMPIN COMPOUT PI/PR TSD GND RFG2 Constant-current calculation : IOUT = 0.1 ÷ RF Example : When an IOUT of 100mA is required, RF must be 1Ω. Usage Notes The constant current is set by the resource RF connected between RFG and ground according to the formula shown above. Truth Table Input IN1 Output IN2 IN3 IN4 Low Low Low Low Low High High Low High High - - - - Low High High Low High High OUT1 OUT3 OUT4 Off Off Off Off Low High Channel 2, reverse High Low Channel 2, forward Low Low Channel 2, brake mode Off Off Low High High Low Low Low Off Mode OUT2 Off Standby mode Channel 1, reverse Channel 1, forward Channel 1, brake mode Note : The "-" input unstable state. When off, a high-impedance state. • The ENA goes to the standby state with a low-level input, and to the operating state with a high-level input. • The control input switches the forward/reverse mode. No.A0649-3/8 LV8080LP Pin Description Pin No. Pin Name Description 1-4 : Output pins 1 OUT1 2 OUT2 H-bridge type output pins 3 OUT3 Pins 1 and 2 are paired and pins 3 and 4 are paired. 4 OUT4 5 RFG2 16 RFG1 Equivalent Circuit VCC 5, 16 : Current sensing resistor connection pins 1 Connect the current sensing resistor between these 2 pins and ground to detect the output currents for constant current control. Pin 16 corresponds to the output from pins 1 and 2 and pin 5 to the output from pins 1 and 2. + 10kΩ 5 0.1V 6 IN3 7 IN4 8 IN1 9 IN2 10 CONT Logic input pins VCC 10kΩ 6 200kΩ GND 11 GND Ground 12 COMPIN Photo reflector position sensing comparator input VCC 1kΩ 12 GND 13 COMPOUT Photo reflector position sensing comparator output This pin serves as an open-collector output of the NPN 1kΩ 13 transistor. GND Continued on next page. No.A0649-4/8 LV8080LP Continued from preceding page. Pin No. 14 Pin Name PI/PR Description Equivalent Circuit A switch, with NMOS open-drain output, used to turn VCC on/off the power supply of the position sensor unit. When using this switch, connect the position sensor unit between this pin and the VCC pin. On/off control of this switch is accomplished by CONT 6 pin. Setting the CONT pin high turns on the switch. GND 15 VCC Power supply pin Timing Chart (1) Stepper motor timing chart Timing chart for 2-phase drive IN1 IN2 IN3 IN4 Channel 1 output mode Standby Channel 2 output mode Standby Forward Reverse Forward Forward Reverse Reverse Forward Forward Standby Reverse Forward Standby Forward Standby (2) Timing chart for 1-2 phase drive (Slow decay mode) IN1 IN2 IN3 IN4 Channel 1 output mode Standby Channel 2 output mode Standby Forward Brake Forward Reverse Brake Brake Reverse Brake Forward Standby No.A0649-5/8 LV8080LP Photosensor Position Detection Application Circuit Example (a) Application circuit Sensor power supply VCC Microcontroller power supply 10kΩ Tr COMPIN COMPOUT IC internal circuits : Position detection circuit IC peripheral circuits : Position sensor block (b) Timing chart VCC CONT 1.00V Hysteresis : 0.2 V COMPIN Transistor drive region Microcontroller power supply COMPOUT VCC PI/PR No.A0649-6/8 LV8080LP ICCO – VCC ICCO1 – VCC 1.0 90 0.9 80 0.8 Current drain, ICCO1 – mA Current drain, ICCO – nA 100 70 60 50 40 30 20 10 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 0 1 2 3 4 5 6 7 0 0 8 Supply voltage, VCC – V 1 2 3 4 5 6 7 Supply voltage, VCC – V Output on resistance (High and low side total) Constant-current output (Between RFG and ground : 1Ω) 1.5 0.105 1.4 0.104 1.3 1.2 Output current, IO – A 0.103 1.1 Vsat – V 1 0.9 0.8 0.7 0.6 VCC = 3V 0.5 0.4 0.3 0.101 0.1 0.099 0.098 0.097 VCC = 5V 0.2 0.102 0.096 0.1 0 0.095 0 0.1 0.2 0.3 0.4 0.5 0.6 0 Output current, IO – A 3.5 2 3 4 5 6 7 Supply voltage, VCC – V Position detection circuit threshold voltage PI/PR pin current (VCC = 3V/5V) 0.4 0.35 PI/PR pin voltage – V 3 Output voltage, VO – V 1 2.5 2 1.5 1 0.5 0.3 0.25 0.2 VCC = 3V 0.15 VCC = 5V 0.1 0.05 0 0.8 0 0.85 0.9 0.95 1 1.05 Input voltage, VIN – V 0 0.002 0.004 0.006 0.008 0.01 0.012 0.014 0.016 0.018 0.02 PI/PR pin current – A Input current (VIN = 3V) 50 45 Input current, IIN – μA 40 35 30 25 20 15 10 5 0 0 1 2 3 4 5 6 7 Supply voltage, VCC – V No.A0649-7/8 LV8080LP SANYO Semiconductor Co.,Ltd. assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein. SANYO Semiconductor Co.,Ltd. strives to supply high-quality high-reliability products, however, any and all semiconductor products fail or malfunction with some probability. It is possible that these probabilistic failures or malfunction could give rise to accidents or events that could endanger human lives, trouble that could give rise to smoke or fire, or accidents that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor Co.,Ltd. products described or contained herein are controlled under any of applicable local export control laws and regulations, such products may require the export license from the authorities concerned in accordance with the above law. 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SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of October, 2007. Specifications and information herein are subject to change without notice. PS No.A0649-8/8