23 June 2005
HE104MAN-V8 Manual
CHAPTER 1: INTRODUCTION | 4 |
1.1 GENERAL DESCRIPTION | 4 |
1.2 FEATURES | 5 |
1.3 SPECIFICATIONS | 6 |
2.1 INTRODUCTION | 7 |
2.2 POWER CONSIDERATIONS | 8 |
2.3 HE104 CONNECTORS | 8 |
2.3.1 Main Input Power Connector | 8 |
2.3.2 Output Power Connector | 9 |
2.3.3 Battery Power Connector (Optional) | 9 |
2.3.4 Onboard PC “Boost” Adaption (Optional) | 9 |
2.4 BUS TERMINATION (OPTIONAL) | 10 |
2.5 INSTALLATION ONTO PC104 MODULES | 10 |
2.6 JUMPER SELECTION | 10 |
2.6.1 LED Jumper Enable/Disable | 10 |
2.6.2 +5VDC Low Q/ Noise (Q=quiescent) | 11 |
2.6.3 +12VDC Low Q/ Noise | 11 |
2.6.4 Mezzanine Expansion Headers | 11 |
2.7 PC/104 BUS INTERRUPTS (OPTIONAL) | 12 |
2.8 POWER MANAGEMENT CONTROLLER PM104 (OPTIONAL) | 13 |
2.9 LOW INPUT ALARM | 14 |
2.10 HE104 EFFICIENCY AND HEAT DISSIPATION CALCULATION | 15 |
CHAPTER 3: THEORY OF OPERATION | 16 |
3.1 INPUT POWER PROTECTION | 16 |
3.2 SWITCHING REGULATOR, +5VDC | 16 |
3.3 SWITCHING REGULATOR, +12VDC | 17 |
3.4 CHARGE PUMPS | 17 |
3.5 FILTER CAPACITORS | 18 |
3.6 BUS TERMINATION (OPTIONAL) | 19 |
APPENDIX 1: HE104, +5V REGULATOR BLOCK DIAGRAM: | 20 |
APPENDIX 2: ADVANTAGES OF USING AC TERMINATION: | 22 |
APPENDIX 3: INSTALLATION HINTS FOR THE HE104 POWER SUPPLY: | 23 |
APPENDIX 4: VEHICLES ARE AN ELECTRONICS NIGHTMARE: | 23 |
| Tel: | 800.665.5600, 604.945.9565 | 2 |
1407 Kebet Way, Unit 100 | Fax: | 604.945.9566 |
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Port Coquitlam, BC V3C 6L3 |
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Canada | Web site: |
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