MLX90316 Evaluation Board Demonstration Board Related Products MLX90316 Tria9isTM Rotary Position Sensor Related Documents Datasheet MLX90316 Applications Note Back-End Calibration Applications Note Magnets for MLX90316 Rotary Position Sensor Applications Note Hall Applications Guide Related Tools PTC04 Programmer for Melexis PTC devices Ordering Information Part No. Description EVB_MLX90316DC EVB_MLX90316GO DMB_MLX90316 Evaluation Board MLX90316xDC – SOIC-8 Package Evaluation Board MLX90316xGO – TSSOP-16 Package Demonstration Board MLX90316 1. Evaluation Board (EVB_MLX90316DC) 1.1. Description The EVB_MLX90316DC consists into a Printed Circuit Board (PCB) and Magnetic Knob. • The PCB implements the recommended application diagram from the MLX90316 datasheet. The MLX90316DC (SOIC-8) is mounted on the board. It also includes an aluminum ring in order to center the magnetic knob (see below) above the sensitive area of MLX90316. By default, the output transfer characteristic is programmed to get a 10%Vdd ... 90%Vdd analog output swing for 0 … 360 Degrees travel (complete revolution). • The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 1.2. Application Diagram The Pin SCLK and /SS are left floating in order to enable the use of the EVB in Serial Protocol mode. If this mode is not activated, we recommend shorting those pins to GND through 0 Ohm resistor. It is mandatory to run EMI test. If the Serial Protocol mode is activated, the PCB allows the introduction of decoupling capacitor. 39xx9031601 Rev 001 Page 1 of 6 Apr. 06 MLX90316 Evaluation Board Demonstration Board VDD 8 1 Vdd C1 100nF GND Vss MLX90316 Test 1 /SS C2 100nF Vdig Test 2 5 4 SCLK C3 100nF OUT MISO/MOSI Out SCLK /SS 1.3. PCB Drawing 39xx9031601 Rev 001 Top – Copper Layer Top – Text Layer Bottom – Copper Layer Bottom – Text Layer Page 2 of 6 Apr. 06 MLX90316 Evaluation Board Demonstration Board 1.4. Magnetic Knob The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 1.5. Pictures Top Bottom Top & Magnetic Knob Bottom & Magnetic Knob 2. Evaluation Board (EVB_MLX90316GO) 2.1. Description The EVB_MLX90316GO consists into a Printed Circuit Board (PCB) and Magnetic Knob. • The PCB implements the recommended application diagram from the MLX90316 datasheet. The MLX90316GO (Full Redundant Version – TSSOP-16) is mounted on the board. It also includes an aluminum ring in order to center the magnetic knob (see below) above the sensitive area of MLX90316. By default, the output transfer characteristics are programmed to get a 10%Vdd ... 90%Vdd analog output swing for 0 … 360 Degrees travel (complete revolution). • The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 2.2. Application Diagram The EVB_MLX90316GO does not feature the Serial Protocol Option. It however enables the evaluation of the full redundant version of the MLX90316 as there are not any common pins for both dies. 39xx9031601 Rev 001 Page 3 of 6 Apr. 06 MLX90316 Evaluation Board Demonstration Board VDD1 GND1 GND1 C3 100nF 16 1 C1 100nF C2 100nF Vdig1 Vss1 OUT1 Out1 Vdd1 C4 100nF MLX90316 Vdd2 Out2 VDD2 GND2 Vss2 9 8 Vdig2 C5 100nF C6 100nF GND2 OUT2 2.3. PCB Drawing Top – Text Layer Top – Copper Layer Bottom – Text Layer Bottom – Copper Layer 39xx9031601 Rev 001 Page 4 of 6 Apr. 06 MLX90316 Evaluation Board Demonstration Board 2.4. Magnetic Knob The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). 2.5. Pictures Top Bottom Top & Magnetic Knob Bottom & Magnetic Knob 3. Demonstration Board (DMB_MLX90316) 3.1. Description The DMB_MLX90316 consists into a Printed Circuit Board (PCB), Magnetic Knob and a digital voltmeter (DVM). • The PCB implements the same application diagram as the EVB_MLX90316DC. The PCB also features an aluminum ring in order to center the magnetic knob (see below) above the sensitive area of MLX90316.The part is programmed to get a 1 V … 4.6 V output swing for 0 … 360 Degrees travel (i.e. 10 mV/Degree). This 3.6 V span is then further measured by the DVM (see below) after a resistive divider 1 ÷ 10 (final sensitivity = 1 mV/Degree). • The magnetic knob features a small SmCo magnet diametrally magnetized D6H2.5 (Diameter = 6 mm and Height = 2.5 mm). • The digital voltmeter: measures 10% (resistive divider 1 ÷ 10) of the output voltage and displays the value. The reading is in mV or in Degree given the sensitivity of 1 mV/Degree. 39xx9031601 Rev 001 Page 5 of 6 Apr. 06 MLX90316 Evaluation Board Demonstration Board The board is either supplied from a 9 V battery or an external supply (+ 9 … + 12 V). 3.2. Pictures 39xx9031601 Rev 001 Page 6 of 6 Apr. 06