Document
TB6539N/F
TOSHIBA Bi-CMOS Integrated Circuit Silicon Monolithic
TB6539N,TB6539F
3-Phase Full-Wave Sine-Wave PWM Brushless Motor Control Features
· · · · · · · · Sine-wave PWM control Built-in triangular-wave generator (carrier cycle = fosc/252 (Hz)) Built-in lead angle control function (0 to 58° in 32 steps) Built-in dead time function Supports bootstrap circuit Overcurrent protection signal input pin Built-in regulator (Vrefout = 5 V (typ.), 30 mA (max)) Operating supply voltage range: VCC = 10 to 18 V VM = 4.5 to 18 V
TB6539F TB6539N
Weight SDIP24-P-300-1.78 : 1.62 g (typ.) SSOP30-P-375-1.00 : 0.63 g (typ.)
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2002-06-12
TB6539N/F
Block Diagram
LA 23/29 6-bit triangular wave generator 4/5 Comparator 5/6 Comparator 8/9 6/7 9/10 7/8 10/12 U X V Y W Z 5-bit AD 4 bits Counter Output waveform generator Data select Phase W Comparator 120/180 Charger FG Rotating direction PWM HU HV HW Comparator Phase V Phase U
Xin
14/17
System clock generator
Xout
15/19
VM
HU
21/26
HV
20/25
Position detector
HW Internal Phase reference matching voltage
19/23
Ve
22/27
Setting dead time
VCC
1/1
Regulator
P-GND
3/4
S-GND
13/16
Vrefout
24/30
16/20
OS
Power-on reset
Switching 120°/180° and gate block protection on/off 120°turn-on matrix
RES
18/22
Idc
2/3
CW/CCW
17/21
FG
11/14
ST/SP Protection CW/CCW & ERR reset GB
REV
12/15
※ The pin numbers shown above are for the TB6539N/TB6539F
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TB6539N/F
Pin Description
Pin No. TB6539N TB6539F 21 20 19 26 25 13 Symbol HU HV HW Description Positional signal input pin U Positional signal input pin V Positional signal input pin W Rotation direction signal input pin L: Forward H: Reverse L: Reset (Output is non-active) 18 22 RES Reset-signal-input pin Operation/Halt operation Also used for gate block protection 22 23 27 29 Ve LA Inputs voltage instruction signal Lead angle setting signal input pin Inputs output logic select signal With built-in pull-down resistor Sets 0 to 58° in 32 steps L: Active low H: Active high Inputs DC link current. 2 3 Idc Inputs overcurrentprotection-signal Inputs clock signal With built-in feedback resistor Outputs clock signal Outputs reference voltage signal FG signal output pin Reverse rotation detection signal Outputs turn-on signal Outputs turn-on signal Outputs turn-on signal Select active high or active low using the output logic select pin. 8 9 10 1 4 3 13 9 10 12 1 5 4 16 X Y Z VCC VM P-GND S-GND Outputs turn-on signal Outputs turn-on signal Outputs turn-on signal Power supply voltage pin Apply power supply for output circuit. Ground for power supply Ground for signals VCC = 10~18 V VM = 4.5~18 V Ground pin Ground pin 5 V (typ.), 30 mA (max) Outputs 3PPR of positional signal Detects reverse rotation. Reference voltage: 0.5 V With built-in filter ( ~ - 1 ms) 14 15 24 11 12 5 6 7 17 19 30 14 15 6 7 8 Xin Xout Vrefout FG REV U V W When positional signal is HHH or LLL, gate block protection operates. With built-in pull-up resistor Remarks
17
21
CW/CCW
16
20
OS
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TB6539N/F
Input/Output Equivalent Circuits
Pin Description Symbol Digital Positional signal input pin U HU With Schmitt trigger Positional signal input pin V HV Hysteresis 300 mV (typ.) Vrefout Vrefout 200 k9 2 kW Positional signal input pin W HW L : 0.8 V (max) H: Vrefout - 1 V (min) Digital 100 k9 2 kW L : 0.8 V (max) H: Vrefout - 1 V (min) Digital Vrefout Reset input With Schmitt trigger RES L: Stops operation (reset). H: Operates. L : 0.8 V (max) H: Vrefout - 1 V (min) Hysteresis 300 mV (typ.) 2 kW 100 k9 VCC 100 W 200 k9 VCC 100 W 200 k9 Forward/reverse switching input pin CW/CCW L: Forward (CW) H: Reverse (CCW) Vrefout Vrefout With Schmitt trigger Hysteresis 300 mV (typ.) Input/Output Signal Input/Output Internal Circuit
Voltage instruction signal input pin Ve
Analog
Turn on the lower transistor at 0.2 V or less. (X, Y, Z pins: ON duty of 8%)
Input range 0 to 5.0 V Input voltage of Vrefout or higher is clipped to Vrefout.
Lead angle setting signal input pin LA 0 V: 0° 5 V: 58° (5-bit AD)
Analog
Input range 0 to 5.0 V Input voltage of Vrefout or higher is clipped to Vrefout.
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TB6539N/F
Pin Description Symbol Input/Output Signal Input/Output Internal Circuit
OS L: Active low H: Active high L : 0.8 V (max) H: Vrefout - 1 V (min)
VCC Analog Overcurrent protection signal input pin Idc Gate block protected at 0.5 V or higher (released at carrier cycle) 200 kW 5 pF 0.5 V Vrefout Comparator
Clock signal input pin
Xin Operating range Xin 2 to 8 MHz (crystal oscillation)
Vrefout
100 k9 2 kW
Output logic select signal input pin
Vrefout Vrefout Digital
Xout
Clock signal output pin
Xout
500 kW
VCC
VCC
Reference voltage signal output pin
Vrefout
5 ± 0.5 V (max 30 mA)
VCC Digital Reverse-rotation-detection signal output pin REV Open collector output: 20 mA (max)
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2002-06-12
TB6539N/F
Pin Description Symbol Input/Output Signal Input/Output Internal Circuit
VCC Digital FG signal output pin FG Ope.