AM4961 full wave driver with control function. used single phase motor
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Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER General Description
AM4961 full wave driver with control function. used single phase motor capable speed control changing output duty cycle. AM4961 available TSSOP-20(EDP) HTSSOP-14 packages.
AM4961
Built-in Hall Bias Circuit Built-in Speed Control Circuit Built-in Minimal Speed Setup Circuit Rotation Speed Indication (FG) Rotation Lock State Indication (RD) Built-in Thermal Shutdown Circuit Lock Protection Output Current Limit
Application
Cooler Brushless Motor Driver
TSSOP-20(EDP)
HTSSOP-14
Figure Package Types AM4961
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER
Configuration
Package (TSSOP-20(EDP))
AM4961
PGND PGND PGND OUT2 VMIN VPWM COSC
PGND PGND PGND OUT1 VREF HINHB HIN+
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Configuration (Continued) AM4961
Package (HTSSOP-14)
PGND
PGND
OUT2 VMIN VPWM COSC
OUT1 VREF HINHB HIN+
Figure Configuration AM4961 (Top View)
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Description
Number Name TSSOP-20(EDP) HTSSOP-14 PGND PGND PGND OUT2 VMIN VPWM COSC HIN+ HINVREF OUT1 PGND PGND PGND Power ground Power ground Power ground Driver output Power supply Minimum duty setting Adjustable Input Oscillator capacitor Rotation speed indicator Rotation/lock state indicator Hall sensor input Hall sensor bias regulator Hall sensor input Reference voltage regulator Lock rotation setting capacitor terminal Ground control circuit Driver output Power ground Power ground Power ground Function
AM4961
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Functional Block Diagram AM4961
COSC
Oscillation Circuit
Thermal Shutdown
VPWM VMIN
Pre-driver VREF
(11)
Voltage Reference
HIN+ HIN-
Hall Bias
Control Circuit
(10)
OUT2
Hysteresis
Lock Shutdown Auto Restart
(12) (13)
(14)
OUT1
20-pin
PGND
14-pin
Figure Functional Block Diagram AM4961
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Truth Table
HINH HIN+ COSC (Note OUT1 OUT2 Lock Protection Rotation (Recirculate) Rotation (Drive) Mode
AM4961
Note VOSC >VPWM, VOSC <VPWM.
Ordering Information
AM4961 Circuit Type Lead Free Green Tape Reel Blank: Tube
Package TSSOP-20(EDP) HTSSOP-14
Package
Temperature Range
Part Number Lead Free AM4961G-E1 Green AM4961G-G1 AM4961GTR-G1 AM4961GH-G1
Marking Lead Free AM4961G AM4961G AM4961GH Green AM4961G-G1 AM4961G-G1 AM4961GH-G1 AM4961GH-G1
Packing Type Tube Tape Reel Tube Tape Reel
TSSOP-20 (EDP)
105oC AM4961GTR-E1 AM4961GH-E1 90oC AM4961GHTR-E1 AM4961GHTR-G1 AM4961GH
HTSSOP-14
Semiconductor's Pb-free products, designated with "E1" suffix part number, RoHS compliant. Products with "G1" suffix available green packages.
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Absolute Maximum Ratings (Note
Parameter Supply Voltage Output Current Output Voltage Output Current VPWM Input Voltage Output Voltage Output Voltage Output Current Output Current Symbol IOUT VOUT VPWM TSSOP-20(EDP) Power Dissipation (Note Storage Temperature Range (Human Body Model) (Machine Model) TSTG HTSSOP-14 2000 Value Unit
AM4961
Note Stresses greater than those listed under "Absolute Maximum Ratings" cause permanent damage device. These stress ratings only, functional operation device these other conditions beyond those indicated under "Recommended Operating Conditions" implied. Exposure "Absolute Maximum Ratings" extended periods affect device reliability. Note TA=25oC, external heatsink.
Recommended Operating Conditions
Parameter Supply Voltage Hall Input Voltage (Note Hall Input Voltage (Note Ambient Temperature (Note Symbol VIN+ VINTA Unit
Note Hall input voltage range includes amplitude signal. Note TSSOP-20(EDP) package only. External heatsink shall larger than 15.24mm*3.81mm ensure available TA=105oC.
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Electrical Characteristics
(VCC=12V, TA=25oC, unless otherwise specified.)
Parameter Quiescent Current VREF Voltage Output Saturation Voltage High Side Output Saturation Voltage Side COSC Frequency COSC High Level Voltage COSC Level Voltage Hall Input Hysteresis Hall Bias Voltage High Level Voltage Level Voltage Charge Current Discharge Current Charge Discharge Ratio Output Level Voltage Leakage Current Output Level Voltage Leakage Current VREF VSATH VSATL fOSC VOSCH VOSCL VHYS VCTH VCTL ICHG IDHG VFGL ILFG VRDL ILRD ICHG/IDHG IFG=5mA VFG=12V IRD=5mA VRD=12V IHB=5mA 3.55 1.55 0.14 Lock IREF=5mA ISOURCE=200mA ISINK=200mA COSC=100pF 3.45 1.83 6.25 1.95 1.25 10.55 1.17 3.75 2.07 3.88 1.85 2.55 0.255 14.5 Symbol Lock Conditions 11.24 18.76 Unit
AM4961
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Typical Performance Characteristics AM4961
VCC=12V
TA=25
Rotation Mode
Rotation Mode
(mA)
(mA)
Figure 4.Quiescent Current Ambient Temperature
Figure Quiescent Current Supply Voltage
VCC=12V
VCC=12V
VSATH
VSATL
1000
1000
IOUT (mA)
IOUT (mA)
Figure Output Saturation Voltage (High) Output Current
Figure Output Saturation Voltage (Low) Output Current
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Typical Performance Characteristics (Continued) AM4961
External Heatsink Size:15.24mm*3.81mm
External Heatsink
Package: TSSOP-20(EDP)
Package: HTSSOP-14 External Heatsink
Figure Power Dissipation Ambient Temperature
Figure Power Dissipation Ambient Temperature
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Operating Diagram
VPWM adjustable Voltage
Lowest speed setting voltage
fOSC=25kHz (COSC=100pF) Vosc VMIN Voltage
AM4961
COSC Output
Vosc
Speed
Variable
High Speed
Output
Figure Operating Diagram AM4961 (Note
Note Speed Setting Mode When VPWM voltage higher than VMIN voltage, motor speed settable VMIN voltage. minimum drive duty cycle settable comparing COSC oscillating voltage VMIN voltage. VPWM voltage decided variation duty. Variable Speed Setting Mode When VPWM voltage lower than VMIN voltage, control system works comparing VPWM voltage COSC voltage. VPWM voltage higher, duty cycle upper side transistors will minimized motor speed becomes lower. Vice versa. Full Speed Rotation Mode certain duty, when VPWM voltage lower than side COSC output voltage, motor will full speed.
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Typical Application AM4961
greater
AM4961
OUT2 VMIN VPWM COSC
1,2,3,18,19,20
OUT1 VREF HINHB
(14) (13) (12) (11) (10)
330k
7.5k
Hall
PGND HIN+
0.47µF
100k
0.33µF
100pF
100k
Figure Typical Application AM4961 (Note
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Typical Application (Continued)
Note Ground Line Layout PGND connected motor supply stage connected control stage. ground lines from control stage connected GND. Stability Power Supply Exposed (For TSSOP-20(EDP) package only) employed stabilize VCC. capacitance less than 1µF. Hall Input avoid noise, shortest line recommended connect with Hall stage which about 20mV hysteresis. Thus, ideal Hall input 50mV over. COSC Capacitor When 100pF, COSC frequency will 25kHz. Output output terminal open collector output which varies with phase change. Output output terminal open collector output. rotation mode high when stopped. There exposed bottom operating current high, recommended solder external heatsink closely with this ensure better temperature characteristics.
EXPOSED
AM4961
This available output 1.25V Hall bias voltage. VMIN this disused, connect directly with VPWM, minimum duty cycle will 10%.
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Mechanical Dimensions TSSOP-20(EDP) Unit: mm(inch) AM4961
6.400(0.252) 6.600(0.260)
4.100(0.161) 4.300(0.169) 2.900(0.114) 3.100(0.122) 4.300(0.169) 4.500(0.177)
EXPOSED
6.200(0.244) 6.600(0.260)
0.000(0.000) INDEX0.750(0.030)Dp 0.850(0.033) 0.100(0.004)
0.650(0.026)TYP
0.100(0.004) 0.190(0.007) 4-10° BOTTOM 0.200(0.008)MIN R0.090(0.004)MIN
0.900(0.035) 1.050(0.041) 0.340(0.013) 0.540(0.021)
1.200(0.047) 0.050(0.002) R0.090(0.004)MIN 0.150(0.006) 0.250(0.010)TYP
0.200(0.008) 0.280(0.011)
0.450(0.018) 0.750(0.030)
1.000(0.039)
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Data Sheet SINGLE PHASE FULL WAVE DIRECT MOTOR DRIVER Mechanical Dimensions (Continued) HTSSOP-14
1.470(0.058) 1.570(0.062)
AM4961
Unit: mm(inch)
6.350(0.250) 6.550(0.258)
1.450(0.057)
1.550(0.061) 6.200(0.244) 6.600(0.260) 4.300(0.160) 4.500(0.177) DETAIL
0.750(0.030) 0.850(0.033)
0.650(0.026) 1.300(0.051) 1.200(0.047) 0.340(0.013) 0.540(0.021)
0.200(0.008) R0.090(0.004) R0.090(0.004) 0.250(0.010)
0.050(0.002) 0.200(0.008) 0.900(0.035) 1.050(0.041)
0.450(0.018) 0.750(0.030) 1.000(0.039) DETAIL
Jun. 2008 Rev.
Semiconductor Manufacturing Limited
Semiconductor Manufacturing Limited
http://www.bcdsemi.com
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