Tender For Miniaturized Mems Inertial Measurement Unit, Ranga Reddy-Telangana

Tender For Miniaturized Mems Inertial Measurement Unit; Miniaturized MEMS Inertial Measurement Unit, CLIP-I2, Part No. 1940.0000.00.19 01 Digital output MEMS IMU (CLIP-I2) consisting of 3 Gyroscopes, 4 Accelerometers and Temperature Sensor. 02 All sensors need to be fully temperature calibrated and acoustically isolated. 03 Three gyroscopes to measure pitch rate, yaw rate and roll rate. 04 Four accelerometers to measure lateral acceleration, vertical acceleration, longitudinal acceleration and longitudinal (high g) acceleration. 05 One temperature sensor to measure the temperature of the unit. 06 The electrical Input is 5 V at 190 mA max. 07 The electrical Output is a digital output. 08 The size of be unit should be less than 45 x 45 square mm. 09 Performance: 9.1 The following performance is required from CLIPI2. All numbers are maximum numbers and are OTR unless mentioned otherwise. Parameters for the system data of CLIP-I2: 9.1.1 Temperature Operating :-40 to +80 °C 9.1.2 Temperature Storage : -50 to +100 °C 9.1.3 Maximum current : 190 mA 9.1.4 Power supply : 5 ± 0.25 V 9.1.5 Run Up Time : 1 sec [Max] 9.2 MEMS Gyroscope data i.Y/Z Dynamic range: 200 deg/sec ii.X Dynamic range :300 deg/sec iii.Output: iv.Value: RS 422 v.Units:24 bits vi.SF accuracy : < 0.1 % vii.Linearity error: < 0.4 % [max. 0.2% OTR typ] viii.Bias RT : <500 deg/hr ix.Bias OTR : < 720 deg/hr x.Bandwidth : > 60 Hz (@-3dB) xi.Sampling Rate : 1800 Hz 9.2.1 xii.G Sensitivity : <0.002 °/sec/g[When measured on full range] xiii.I/P Axis Misalignment : < 1 mrad. 9.3 Accelerometer data : i.Dynamic range (Y, Z, X) : 40g (max) ii.Dynamic range (X) : 80g (max) [For X axis, high g] iii.X/Y/Z Scale Factor: 1 [Tolerance : +/-0.2%] iv.Bias Repeatability :4 mg [OTR ] v.In run Bias : 2 mg vi.Scale Factor non linearity : 2000 ppm [Tested in +/-1g range ] vii.Noise : 300microg/sqrt of Hz viii.VRE : 800 ug/g2 [Typical 500, Tested at 4 g rms] 9.3.1 ix. Bandwidth : > 200 Hz (@-3dB) 9.4 High g measurement (up to 80 g) The Longitudinal acceleration need to be measured by 2 accelerometers with automatic switching between them when saturation levels are reached. 10 Resistance chassis to ground - 100 Kohm+/- 2 % 11 20 pin connector with mating connector and cable 12 Environmental Stress Screening Conditions: The ESS consists of: a. Pre-Vibration b. Thermal Cycling c. Post-Vibration d. Damp Heat e. Acceleration f. Mechanical Shock Each unit has to pass this ESS before it is submitted to the final Acceptance Test - ATP as per Doc No: R1940.0000.01.53.The ESS is the first part of the ATP. 12.1 General Requirements a. Test Item : The item to be screened is the CLIP-I2. b. Standard Conditions : Unless otherwise specified, all tests shall be conducted under the following ambient Conditions. i. Ambient Air Temperature: 25°C ± 5°C ii. Atmospheric Pressure: Lab. Conditions 760 ± 50 mm Hg 12.2 Pre-Vibration : i.Purpose: The purpose of the ESS Pre-Vibration Test is to reveal and remove the failures caused by Vibration effects in the ESS phase and by this to eliminate its appearance later during storage and service life. ii.Place the Unit Under Test (UUT) on the Shaker. 12.3 iii Frequency Range: 20 to 2000 Hz a. 20 -100 Hz: +6 dB/Octave b. 100 - 1000 Hz : 0.04 g2/Hz c. 1000 - 2000 Hz : -6 dB/Octave iv Perform 300 sec. of Vibration along each one of the 3 principal axes. 12.4 Thermal Cycle : i.Purpose : The purpose of the ESS Thermal Cycling Test is to reveal and remove the failures caused by Temperature effects in the ESS phase and by this to eliminate its appearance later during storage and service life. ii.Place the Unit Under Test (UUT) in the Temperature Chamber at Room Temperature. iii.Adjust the test chamber air temperature to the temperature of -30°C 12.5 iv. Allow the UUT temperature to stabilize. After the UUT has been thermally stabilized, maintain the chamber conditions for 1 hour. v. Adjust the test chamber air temperature to the temperature of +70°C. vi. Allow the UUT temperature to stabilize. After the UUT has been thermally stabilized, maintain the chamber conditions for 1 hour. 12.6 vii. Adjust the test chamber air temperature to the Room Temperature. Repeat this Cycle 6 times. viii. Rate of change of temperature to be in range 5 to 10°C /min. 12.7 Post-Vibration : Repeat the Vibration procedure, described in Sl.No:12.2 & 12.3 , Pre-Vibration. 12.8 Damp Heat : i.Put the UUT into the Humidity Chamber ii.Adjust the Chamber conditions to: 45°C ± 2°C; RH > 95% After stabilization maintain the UUT in the Chamber during 8 hours. 13 Acceleration : This test to be done on a Centrifuge. i.In Longitudinal (X) direction: 50 g, 45 sec. ii.In Lateral (Y & Z) directions: 40 g, 45 sec. In each direction apply the acceleration twice, In each direction apply the acceleration twice, once in positive direction and once in negative direction. Total of 6 times. 14 Mechanical Shock : Apply 2 Shocks of 40 g, 3 msec. along the Longitudinal (X) axis 15 The supplier should provide CoC for the following qualification tests. 15.1 High Temperature: a. 55 ± 3 °C; 6 hrs. b. 65 ± 3 °C; 4 hrs. c. 55 ± 3 °C; 6 hrs. (Last 1 hour Opr) 15.2 Low Temperature: -20 ± 3°C; 16hrs (Last 1 hour Opr) 15.3 Vibration: a. 20 - 100 Hz @6 dB / Oct. b. 100 - 1000 Hz @0.068 g2/Hz. c. 1000 - 2000 Hz.@- 6dB/Oct. d. Duration: 45 s e. All 3 axes 15.4 Acceleration: a. Long: 30 g; 20 s b. Lateral: 15 g; 20 s (2 axes) 15.5 Shock: a. 90g ; 6 ms (Half Sine) b. 2 shocks per each axis c. All 3 axes 15.6 Bump : a. Peak Acceleration: 40g b. Duration: 6ms c. Bump Rate: 1-3 Bumps/s d. 4000 Bumps 15.7 EMI / EMC Tests : a. CE 102; RE102; CS 101; CS 114; b. CS 115; CS 116; CS118; RS 103. 16 Delivery : 5 Months ARO List of deliverables: Acceptance Test Report and CoC should be provide at the time of delivery

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