Angst+Pfister MiCs-2614 Quick Start

103-24-394-002-EH-1214.pdf
1
MiCs Quick Start Evaluation Board
Instant testing – Just add power
Test 5 different MiCs devices
Complete Circuit on PCB for each Sensor
7 to 20 V Input Supply Voltage
Overview
While the MiCs SMD parts are difficult to test and require a 5 V power supply for correct operation, the Quick Start
Demo board allows the user to be testing the SGX SMD metal oxide gas sensors within minutes after opening the
box. The MiCs quick start board can use any input power supply from 7V to 15 V. One of five different sensors can be
placed into the universal onboard IC socket, and by installing the correct jumper the circuit is configured for imme-
diate testing of the sensor.
The MiCs quick Demo board can individually test the following MiCs sensors:
MiCs-2714 (NO2), MiCs-4514
ers as shown on the PCB. (4 Jumpers are included in each kit).
Circuit Overview
The circuit for each sensor is exactly
the circuit shown on the individual
datasheet for the parts, and the
jumpers will allow for the correct re-
sistors configuration required. While
the input voltage is 7 to 20V, the
board uses a regulator (LM7805T)
to reduce the voltage to the MiCs
device to 5V. After this, the jump-
ers determine the circuit used to
correct supply the heater and load
resistance for each device. The com-
plete circuit of the Quick Start Demo
board is shown in Figure I.
(Dual senor, CO and NO) and the MiCs- 5914 (NH3) just by installing the correct jump-
The individual circuits for each of the metal oxide sensors are very
simply and straight forward. Please note that the TI regulator was left
out of the circuit diagrams below for simplicity only, so will the input
supply voltage can be 7V to 25V, V+ for the individual circuits is 5V.
Page 1
MiCS_1620-21530-0002-E-1214
MiCs Quick Start Evaluation Board
SGX Sensortech
PRELIMINARY
MiCs-2614 (Ozone), MiCs-5524 (CO),