LB11683H

Ordering number : ENA0954 LB11683H Overview Monolithic Digital IC Three-Phase Sensorless Motor Driver The LB11683H is a three-phase full-wave current-linear-drive motor driver IC. It adopts a sensorless control system without the use of a Hall effect device. For quieter operation, the LB11683H features a current soft switching circuit and is optimal for driving the cooling fan motors used in refrigerators, etc. Functions • Current linear drive • Built-in current limiter circuit • Output stage oversaturation prevention circuit • Coil counter-electromotive FG output • Built-in thermal shutdown circuit • Beat lock prevention circuit • Lock protection circuit • Lock detection output Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Supply voltage Output applied voltage Input applied voltage Output current Allowable power dissipation Symbol VCC max VO max VI max IO max Pd max1 Pd max2 Operating temperature Storage temperature Topr Tstg Independent IC Mounted on a board * Conditions Ratings 14.5 14.5 -0.3 to VCC+0.3 1.5 0.8 1.85 -30 to +85 -55 to +150 Unit V V V A W W °C °C * Specified board: 114.3mm ×76.1mm ×1.6mm, glass epoxy 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. 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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. 91907 MS PC B8-8741 No. A0954-1/7 LB11683H Allowable Operating Conditions at Ta = 25°C Parameter Supply voltage 1 Supply voltage 2 Symbol VCC VCC Conditions All operating circuits other than internal 5V Reg. All operating circuits. Ratings 5.5 to 7.0 7.0 to 13.8 Unit V V Electrical Characteristics at Ta = 25°C, VCC = 12V Parameter Supply current Output saturation voltage 1 Output saturation voltage 2 MCOM pin common-phase input voltage range PCOUT output current 1 PCOUT output current 2 VCOIN input current VCO minimum frequency VCO maximum frequency C1, C2 source current ratio C1, C2 sink current ratio C1 source, sink current ratio C2 source, sink current ratio Counter-electromotive FG output ON voltage CT pin charge current CT pin discharge current Lock protection detection voltage Lock protection reset voltage RD pin leak current RD pin output LO voltage Current limiter setting voltage Thermal shutdown operating temperature Thermal shutdown hysteresis ∆TTSD Design target * TTSD Design target * ICT1 ICT2 VRD1 VRD2 IRDLEAK VRDL IO=1mA 0.45 150 100 0.5 180 15 Source current Sink current 1.2 50 2.3 1.13 1.6 77 2.45 1.26 2.6 1.39 10 400 0.55 210 IPCOU IPCOD IVCOIN fVCOMIN fVCOMAX RSOURCE RSINK RC1 RC2 VOL Source side Sink side VCOIN=5V VCOIN=open CX=0.022µF VCOIN=5V CX=0.022µF 1-(IC1SOURCE/IC2SOURCE) 1-(IC1SINK/IC2SINK) IC1SOURCE/IC1SINK IC2SOURCE/IC2SINK IFGO=1mA 330 14.8 -12 -12 50 50 0.4 Symbol ICC VOSAT1 VOSAT2 VIC VC=VCC VFC=0V IO=0.4A, Source+Sink IO=0.8A, Source+Sink, RF=0Ω 0 -90 90 0.1 400 18.5 0.2 500 22.3 +12 +12 Conditions min Ratings typ 10 1.4 1.8 max 15 2.0 2.6 VCC-2 mA V V V µA µA µA Hz kHz % % % % V µA nA V V µA mV V °C °C Unit *: Design target value and no measurement is made. No. A0954-2/7 LB11683H Package Dimensions unit : mm (typ) 3234B 2.0 15.2 (6.2) 28 15 Pd max -- Ta Mounted on a specified board: 114.3×76.1×1.6mm3 glass epoxy board Allowable power dissipation, Pd max -- W HEAT SPREADER 1.6 (4.9) 10.5 7.9 1.2 0.96 0.65 Independent IC 0.8 1 0.8 (0.8) 2.0 0.3 14 0.25 2.45 max 0.4 0.42 (2.25) 0.1 2.7 0 -20 0 20 40 60 80 85 100 SANYO : HSOP28HC(375mil) Ambient temperature, Ta -- °C Pin Assignment UOUT 1 NC 2 RF 3 NC 4 NC 5 FC 6 BFGO 7 28 VOUT 27 WOUT 26 MCOM 25 NC LB11683H 24 NC 23 NC 22 VCC CT 8 RD 9 NC 10 NC 11 GND 12 GND 13 PCOUT 14 Top view 21 UIN 20 VIN 19 WIN 18 C1 17 C2 16 CX 15 VCOIN No. A0954-3/7 VCC 0.1µF MCOM Rotor detection circuit Block Diagram 50kΩ BFGC Thermal shutdown circuit Mask circuit Timing control circuit Soft switching driver circuit Startup control circuit 0.022µF C1 C2 Output drive circuit 0.022µF UOUT VOUT WOUT 0.01µF 560kΩ Beat lock prevention circuit PLL VCO 8 divider PCOUT LB11683H VCOIN 0.47µF 200Ω CX RF Upper side saturation prevention control GND 0.5V Lock protection circuit 50kΩ RD 0.5Ω 0.022µF 0.1µF FC CT ILB01810 No. A0954-4/7 LB11683H Pin Functions Pin No. 1 28 27 3 Symbol UOUT VOUT WOUT RF Minimum potential of 3-phase motor driver output transistor. Constant current control is made through detection of this voltage. The current limiter also functions by detecting this potential. 22 26 VCC MCOM Power supply Motor coil neutral point input pin. The coil voltage waveform is detected with reference to this voltage. 21 UIN Coil waveform detection comparator input pin. This pin is connected to each phase output through the internal 10kΩ resistor. 20 VIN 8 to 13.8V 30kΩ 3.9kΩ 30kΩ Description 3-phase motor driver output Pin Voltage Equivalent Circuit VCC 3.9kΩ 10kΩ 20µA 3 1 27 28 21 20 19 VCC 1 28 27 21 20 19 10kΩ 200Ω 200Ω 200Ω 19 WIN 18 C1 Triangular wave generating capacitor connection pin. This triangular wave performs soft-switching of the coil output waveforms. 15µA 15µA 2kΩ 26 VCC 18 17 5µA VREG 1kΩ 17 C2 2S 1/2VREG-VF 16 CX In the VCO circuit, the operation frequency range and minimum operation frequency are determined by means of the capacitor value connected this pin and ground. 300Ω VCC VREG 100µA 16 15 VCOIN VCO circuit voltage input pin. The PCOUT pin voltage is input via CR filter. VREG VCC 10kΩ 50kΩ 1.75V 15 50µA 50µA Continued on next page. No. A0954-5/7 LB11683H Continued from preceding page. Pin No. 14 Symbol PCOUT Description VCO circuit PLL output Pin Voltage Equivalent Circuit VREG VCC 14 12 13 7 GND BFGO Ground for all other than the output transistor Motor counter-electromotive voltage detection FG output (single-phase only). Open collector output 100µA VREG 7 6 FC Frequency characteristics compensation pin. Insertion of a capacitor between this pin and ground stops oscillation of the closed loop of current control system. VREG VCC 6 10kΩ 5kΩ 9 RD Lock detection output. When motor is running: low-level When motor is locked: high-level Open collector output 15kΩ VREG 9 8 CT Lock protection ON/OFF time setting capacitor connection pin. The capacitor connected between this pin and ground determines the driver ON/OFF time when the motor is locked. 0.1µA 1µA VCC 15µA 1kΩ VREG 8 25kΩ 2S No. A0954-6/7 LB11683H 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 September, 2007. Specifications and information herein are subject to change without notice. PS No. A0954-7/7