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UM0537
User manual
STEVAL-MKI019V1
demonstration kit for the LIS302SG
Introduction
The STEVAL-MKI019V1 is a demonstration kit designed to provide the user with a
complete, ready-to-use platform for the evaluation of the LIS302SG. The LIS302SG is a low-
power 3-axis linear capacitive accelerometer that includes a sensing element and an IC
interface capable of taking information from the sensing element and providing an analog
signal to an external application.
In addition to the MEMS sensor, the system includes a linear voltage regulator and a rail-to-
rail low noise quad amplifier configured as a non-inverting buffer, making both direct sensor
outputs and buffered sensor outputs available to the user.
The kit also provides an easy way to control the Power-down and Self-test pins.
October 2008
Rev 2
1/8
www.st.com
Downloaded from
Elcodis.com
electronic components distributor
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Summary of Contents for ST STEVAL-MKI019V1
- Page 1 LIS302SG Introduction The STEVAL-MKI019V1 is a demonstration kit designed to provide the user with a complete, ready-to-use platform for the evaluation of the LIS302SG. The LIS302SG is a low- power 3-axis linear capacitive accelerometer that includes a sensing element and an IC interface capable of taking information from the sensing element and providing an analog signal to an external application.
- Page 2 2, while the full board photo of is provided in Figure Figure 1. Demonstration board block diagram 3.3V Voltage MEMS Regulator Sensor Output Buffer Vout Sensor Buffered Output Output Output Figure 2. Top silk-screen for STEVAL-MKI019V1 board layout Downloaded from Elcodis.com electronic components distributor...
- Page 3 UM0537 Demonstration kit description Figure 3. STEVAL-MKI019V1 board photograph ref2 ref3 ref1 Operating the demonstration kit To operate the demonstration kit it is necessary to supply it through the connector marked J1 (PS) with a dc voltage between 3.7 V and 18 V. The suggested supply voltage is 5 V. The typical current consumption of the LIS302SG MEMS sensor is 0.65 mA, while the typical...
- Page 4 Demonstration kit description UM0537 Driving Power-down and self-test signals The board allows the control of the Power-down and Self-test signals through the use of test points (marked J3 and J7, respectively) and jumpers. 1.2.1 Power-down When the jumper is removed from J3 (Power-down, Figure 3, ref1) the MEMS sensor is in normal mode, otherwise it is in power-down mode.
- Page 5 UM0537 Schematic diagram Schematic diagram The schematic diagram of the STEVAL-MKI019V1 demonstration kit is shown in Figure Figure 4. Schematic diagram for STEVAL-MKI019V1 board Downloaded from Elcodis.com electronic components distributor...
- Page 6 Bill of material UM0537 Bill of material The bill of material for STEVAL-MKI019V1 demonstration kit is provided in Table Table 2. Bill of material Item Quantity Reference Value C2,C4 100 nF 2.2 µF Cx,Cy,Cz 4.7 nF 10 µF R1, R2, R3, R4 10 kΩ...
- Page 7 UM0537 Revision history Revision history Table 3. Document revision history Date Revision Changes 24-June-2008 Initial release. 17-Oct-2008 Changed: Figure 4 Downloaded from Elcodis.com electronic components distributor...
- Page 8 No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. If any part of this document refers to any third party products or services it shall not be deemed a license grant by ST for the use of such third party products or services, or any intellectual property contained therein or considered as a warranty covering the use in any manner whatsoever of such third party products or services or any intellectual property contained therein.
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