MC3PHAC Datasheet, PDF (20/36 Pages) Motorola, Inc – 3-Phase AC Motor Controller

Operation
+5 V
6.8 kΩ
NC
50 Hz – PWM POLARITY
NC
50 Hz + PWM POLARITY
NC
60 Hz – PWM POLARITY
+5 V
60 Hz + PWM POLARITY
FROM DIVIDED DC BUS
10 kΩ
+5 A
NOTE 6
+5 A
MC3PHAC
4.7 kΩ
5 kΩ
RESET _{0.1 µF}
22 pF ^{10 MΩ}
22 pF
NOTE 7
1 _VREF
DC_BUS ²⁸
2
RESET
3
V_DDA
A ^{4 VSSA}
5 _OSC2
ACCEL ²⁷
SPEED ²⁶
MUX_IN ²⁵
START ²⁴
4.7 kΩ
6 _OSC1
0.1 µF
FWD ²³
7 _PLLCAP
22
V_SS
8 _{PWMPOL_BASEFREQ}
V_DD ²¹
NOTE 6
+5
RBOOST
9 _{PWM_U_TOP VBOOST_MODE} 20 12 kΩ
10
PWM_U_BOT
11
PWM_V_TOP
19
DT_FAULTOUT
RBRAKE ¹⁸
RDEADTIME
5.1 kΩ
12 _{PWM_V_BOT}
RRETRY
RETRY/TxD ^{17 8.2 kΩ}
13
PWM_W_TOP
PWMFREQ/RxD ¹⁶
RPWMFREQ
14 _{PWM_W_BOT}
15
FAULTIN
3.9 kΩ
NOTE 1
NOTE 2
NOTE 3
NOTE 4
NOTE 5
A
+5 A
5 kΩ
+5 V
A
10 kΩ
10 kΩ
+5
TO RESISTIVE BRAKE DRIVER
FROM SYSTEM FAULT
DETECTION CIRCUIT
Notes:
1. See Figure 11.
2. See Figure 9.
3. See Figure 10.
4. See Table 4.
5. If no external fault circuit is provided, connect to V_SS.
6. Use bypass capacitors placed close to the MC3PHAC.
7. Consult crystal/resonator manufacturer for component values.
Figure 12. MC3PHAC Application Example in Standalone Mode
MC3PHAC Monolithic Intelligent Motor Controller, Rev. 2
20
Freescale Semiconductor