Tri-M Systems technical manual HE104MAN-V8 Manual

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

Tri-M Engineering	Tel:	800.665.5600, 604.945.9565	2
1407 Kebet Way, Unit 100	Fax:	604.945.9566
Port Coquitlam, BC V3C 6L3	E-mail:	info@tri-m.com
Canada	Web site:	www.tri-m.com