LB11683H-TLM-E ONSEMI | Alldatasheet
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91907 MS PC B8-8741 No. A0954-1/7 http://onsemi.com Semiconductor Components Industries, LLC, 2013 May, 2013 LB11683H Overview 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 Symbol Conditions Ratings Unit Supply voltage V CC max 14.5 V Output applied voltage V O max 14.5 V Input applied voltage V I max -0.3 to V CC+0.3 V Output current I O max 1.5 A Pd max1 Independent IC 0.8 W Allowable power dissipation Pd max2 Mounted on a board * 1.85 W Operating temperature Topr -30 to +85 °C Storage temperature Tstg -55 to +150 °C * Specified board: 114.3mm ×76.1mm ×1.6mm, glass epoxy board. Monolithic Digital IC Three-Phase Sensorless Motor Driver Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Oper ating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability.
No. A0954-2/7 Allowable Operating Conditions at Ta = 25°C Parameter Symbol Conditions Ratings Unit Supply voltage 1 V CC All operating circuits other than internal 5V Reg. 5.5 to 7.0 V Supply voltage 2 V CC All operating circuits. 7.0 to 13.8 V Electrical Characteristics at Ta = 25°C, VCC = 12V Ratings Parameter Symbol Conditions min typ max Unit Supply current I CC VC=V CC VFC=0V 10 15 mA Output saturation voltage 1 V OSAT1 I O=0.4A, Source+Sink 1.4 2.0 V Output saturation voltage 2 V OSAT2 I O=0.8A, Source+Sink, RF=0Ω 1.8 2.6 V MCOM pin common-phase input voltage range VIC 0 V CC-2 V PCOUT output current 1 IPCOU Source side -90 μA PCOUT output current 2 IPCOD Sink side 90 μA VCOIN input current IVCOIN VCOIN=5V 0.1 0.2 μA VCO minimum frequency fVCOMIN VCOIN=open CX=0.022μF 330 400 500 Hz VCO maximum frequency fVCOMAX VCOIN=5V CX=0.022μF 14.8 18.5 22.3 kHz C1, C2 source current ratio RSOURCE 1-(IC1SOURCE/IC2SOURCE) -12 +12 % C1, C2 sink current ratio RSINK 1-(IC1SINK/IC2SINK) -12 +12 % C1 source, sink current ratio RC1 IC1SOURCE/IC1SINK 50 % C2 source, sink current ratio RC2 IC2SOURCE/IC2SINK 50 % Counter-electromotive FG output ON voltage VOL IFGO=1mA 0.4 V CT pin charge current ICT1 Source current 1.2 1.6 μA CT pin discharge current ICT2 Sink current 50 77 nA Lock protection detection voltage VRD1 2.3 2.45 2.6 V Lock protection reset voltage VRD2 1.13 1.26 1.39 V RD pin leak current IRDLEAK 10 μA RD pin output LO voltage VRDL I O=1mA 100 400 mV Current limiter setting voltage 0.45 0.5 0.55 V Thermal shutdown operating temperature TTSD Design target * 150 180 210 °C Thermal shutdown hysteresis ΔTTSD Design target * 15 °C *: Design target value and no measurement is made.
No. A0954-3/7 UOUT NC RF NC VOUT WOUT MCOM NC NC FC BFGO CT RD NC NC GND GND PCOUT NC NC VCC UIN VIN WIN CX VCOIN Top view LB11683H Package Dimensions unit : mm (typ) 3315 Pin Assignment SANYO : HSOP28HC(375mil) 15.2 (6.2) 0.250.3 0.1 (2.25) (0.8) 0.8 2.0 10.5 7.9 (4.9) 0.65 2.7 2.45 max HEAT SPREADER 1 14 1528 -20 0 20 40 60 80 100 850 2.0 1.6 1.2 0.8 0.4 0.42 0.96 Pd max -- Ta Ambient temperature, Ta -- °C Allowable power dissipation, Pd max -- W Independent IC Mounted on a specified board: 114.3×76.1×1.6mm3 glass epoxy board
No. A0954-4/7 VCOPLL 8 divider Upper side saturation prevention control Mask circuit Timing control circuit Startup control circuit Rotor detection circuit Output drive circuit VCC MCOM UOUT VOUT WOUT RF 0.5Ω GND CX VCOIN PCOUT 200Ω 0.5V0.1μF FC BFGC Beat lock prevention circuit Lock protection circuit RD CT 0.1μF 0.01μF 0.022μF 0.022μF 0.022μF 560kΩ 0.47μF 50kΩ 50kΩ Thermal shutdown circuit Soft switching driver circuit ILB01810 Block Diagram
No. A0954-5/7 Pin Functions Pin No. Symbol Description Pin Voltage Equivalent Circuit
1 UOUT
28 VOUT
27 WOUT
3-phase motor driver output
3 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. 20μA 30kΩ 3.9kΩ 3.9kΩ 30kΩ 10kΩ VCC 22 V CC Power supply 8 to 13.8V 26 MCOM Motor coil neutral point input pin. The coil voltage waveform is detected with reference to this voltage.
21 UIN
20 VIN
19 WIN
Coil waveform detection comparator input pin. This pin is connected to each phase output through the internal 10kΩ resistor. 200Ω 27281 2kΩ 10kΩ 200Ω 200Ω VCC 18 C1 17 C2 Triangular wave generating capacitor connection pin. This triangular wave performs soft-switching of the coil output waveforms. 1kΩ VREG 1/2VREG-VF VCC 15μA1 5 μA5 μA
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 VREG VCC 100μA 15 VCOIN VCO circuit voltage input pin. The PCOUT pin voltage is input via CR filter. 50kΩ VREG VCC 50μA 50μA 10kΩ 1.75V Continued on next page.
No. A0954-6/7 Continued from preceding page. Pin No. Symbol Description Pin Voltage Equivalent Circuit
14 PCOUT VCO circuit PLL output
GND Ground for all other than the output transistor
7 BFGO Motor counter-electromotive voltage detection
FG output (single-phase only). Open collector output VREG 100μA 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 1kΩ 10kΩ 5kΩ VCC 9 RD Lock detection output. When motor is running: low-level When motor is locked: high-level Open collector output VREG 15kΩ
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. 25kΩ VREG VCC 0.1μA1 μA 15μA
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