System Modules
TOP
BOT
Comp -
Comp Out
Zero Detect
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| 5V |
| 5V |
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| D11 | R28 |
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| R26 1K |
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| LED | 1K8 |
| R33 | |
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| R260 | 10K |
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| IC2 |
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| 0R |
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| R27 1K |
| 6 |
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| 14 |
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| PTB0/TOP |
| PTA0/ADC0/KBI0 |
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| 15 |
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| PTB1/BOT |
| PTA1/ADC1/KBI1 |
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| 16 |
| DCB Divider | ||
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| PTB2/FAULT |
| PTA2/ADC2/KBI2 |
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| 9 |
| 17 |
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| R38 N/P |
| PTB3/PWM0 |
| PTA3/ADC3/KBI3 |
| Tube Current 1 | |||
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| 10 |
| 18 |
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| PTB4/PWM1 |
| PTA4/ADC4/KBI4 |
| Tube Current 2 | ||||
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| 19 |
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| PTB5/V+ |
| PTA5/RST/KBI5 |
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| 20 |
| Tube Voltage difference | ||
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| PTB6/V- | PTA6/ADC5/TCH0/KBI6 |
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| PTB7/VOUT/ADC6/FAULT |
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| 3 | PTC0/OSC1 |
| VDD | 1 |
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| 4 |
| 2 |
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| PTC1/OSC2 |
| VSS |
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| 5 |
| 2 |
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| PTC2/SHTDWN/IRQ |
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| C19 |
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| 5V | |
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| 1 | 100nF | |||
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| 25V | JP2 |
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| GND |
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| 1 | |
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| 2 |
5V |
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| 3 |
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| Luminance Level |
| R29 |
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| 5V | JP5 |
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R30 13K | 11K |
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| 1 |
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| GND | ||
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| 2 |
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| 3 |
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| Serial Data |
| 4 |
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| 2 | GND |
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| R31 | C9 |
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| 6 |
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| 3K9 | 1 | 100nF |
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| CONN/HDR/6X1 | R39 |
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GND |
| GND |
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| GND |
| 0R |
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Figure
NOTE
The Luminance Level potentiometer should be connected to the PCB in the required manner. This means that if the potentiometer is in a zero position, a 0% Luminance is required and 0V must be available on pin 2 of connector JP2.
Table
Pin number | Signal |
1+5V
2PTA1
3GND
Dimmable Light Ballast with Power Factor Correction, Rev. 1
Freescale Semiconductor | 31 |
