Combination Power Supply Unit
(Fully Assembled Unit)
Product Use
This Combination Power Supply Unit is especially developed for use in Electric Vehicles, protecting sensitive electronic devices such as microcontrollers, Audio Systems, Reverse View Camera and Monitor from Reverse Voltage, Load Dump and High Energy Inductive Spikes.
The Combination Unit houses three separate devices in a single housing:
- 12 VDC Power Supply Protection Circuit
- Reverse View System Control Relay
- Constant uninterrupted Voltage Supply for "memory"
Output Voltage is protected for reversed Input Polarity by Schottky Diode.
Dual Varistors provides protection from overvoltage spikes such as those caused by Ignition System.
TVS Diode provides protection from Load Dump and High Voltage and High Energy Spikes.
The specially constructed Inductor and Electrolytic Capacitors absorb and filter out any high frequency noise.
The 12 VDC Power Supply Protection section of this Combination Unit electronically protects devices connected to the Output, even under high current Load (up to 10A) at typical automotive system voltage (10 VDC to 14.4 VDC).
In constant ON applications it can carry up to continuous 10 Ampere load, while in pulsed applications up to 20 Amperes may be switched ON momentarily.
The 12 VDC Power Supply Protection section of this Combination Unit can be used to protect sensitive automotive circuits from possibly damaging transients in power supply voltage.
The Reverse View System Control Relay section of this Combination Unit supplies the Protected and Filtered Voltage to both Rear View Camera and Monitor.
And also protects them from possibly damaging transients in power supply voltage.
The Relay is energized by a negative (ground) potential on the control input.
The Constant uninterrupted Voltage Supply section of this Combination Unit provides
constant uninterrupted Voltage to Audio System so as to keep the "memory" for pre-sets and Clock active.
The Voltage Supply is powered from 16 or 18 Volt Tap on Traction Battery and maintains constant +12VDC on the Audio System Main Power wire.
The LED located on the Unit is ON when the Voltage Supply is ON.
Features
- Reverse Polarity Protection
- Output ON Monitoring LED
- Nominal Output Voltage 12VDC
- Over 10,000,000 Electronic Cycles Life
- Dimensions: 120mm x 80mm x 45mm
Connections
Click the image to enlarge.
INPUT
- Vbb 12 VDC + (from DC/DC Converter) [Orange wire]
- Vtap 16 to 18 VDC + (from Traction Battery Tap) [Blue wire]
- GND (Common System Ground) [Black wire]
- R Reverse Signal [Green wire]
OUTPUT
- BAT +12 VDC to AUDIO system Main Power [Yellow wire]
- IGN +12 VDC to AUDIO system ON Signal [Red wire]
- RVS +12 VDC to Reverse View Camera and Monitor [White wire]
- GND (Common System Ground) [Black wire]
Product Specifications
| Main Input source voltage (min/max) [Orange wire] | VDS | 12 / 16 | V DC |
| Tap Input source voltage (min/max) [Blue wire] | VDS | 12 / 26 | V DC |
| Peak load current (max) | IL | 20 | A |
| Constant Load Current (min/max) | IC | 0.2 / 10 | A |
| Main Operating Voltage (recommended) [Orange wire] | VC | 12.3 to 14.4 | V DC |
| Tap Operating Voltage (recommended) [Blue wire] | VC | 16 to 18 | V DC |
| Power Consumption (LED) | Pon | 160 to 210 | mW |
| Operating Temperature | Ton | 20 to 140 -6 to 60 |
°F °C |
Pricing
US $45.00 each