Description
www.DataSheet4U.com Agilent ADNB-6031 and ADNB-6032 Low Power Laser Mouse Bundles Datasheet Description The Agilent ADNB-6031 and ADNB-6032 low power laser mouse bundles are the world’s first laser-illuminated system enabled for cordless application. Powered by Agilent LaserStream technology, the mouse can operate on many surfaces that proved difficult for traditional LED-based optical navigation. Its high-performance, low power architecture is capable of sensing high-speed mouse motion while prolonging battery life, two performance areas essential in demanding cordless applications. The ADNS-6030 sensor along with the ADNS-6120 or ADNS6130-001 lens, ADNS-6230-001 clip and ADNV-6330 VCSEL form a complete and compact laser mouse tracking system. There are no moving part, which means high reliability and less maintenance for the end user. In addition, precision optical alignment is not required, facilitating high volume assembly. This document will begin with some general information and usage guidelines on the bundle set, followed by individual detailed information on ADNS6030 laser mouse sensor, ADNV-6330 VCSEL, ADNS6120 or ADNS-6130-001 lens and ADNS-6230-001 clip. ADNB-6031 and ADNB-6032 Low Power Laser Mouse Bundles include: Bundle Part Number ADNB-6031 Part Number ADNS-6030 ADNV-6330 ADNS-6120 ADNS-6230-001 Description Low Power Laser Mouse Sensor Single-Mode Vertical-Cavity Surface Emitting Laser (VCSEL) Laser Mouse Round Lens Laser Mouse VCSEL Assembly Clip Bundle Part Number ADNB-6032 Part Number ADNS-6030 ADNV-6330 ADNS-6130-001 ADNS-6230-001 Description Low Power Laser Mouse Sensor Single-Mode Vertical-Cavity Surface Emitting Laser (VCSEL) Laser Mouse Trim Lens Laser Mouse VCSEL Assembly Clip www.DataSheet4U.com Overview of Laser Mouse Sensor Assembly Figure 1. 2D Assembly drawing of ADNB-6032 (top and cross-sectional view) 2 www.DataSheet4U.com 2D Assembly Drawing of ADNB-6031/32, PCBs and Base Plate *or ADNS-6120 for round lens Figure 2. Exploded view drawing Shown with ADNS-6130-001 Laser Mouse Lens, ADNS6230-001 VCSEL Assembly Clip and ADNV-6330 VCSEL. The components interlock as they are mounted onto defined features on the base plate. The ADNS-6030 laser mouse sensor is designed for mounting on a through hole PCB, looking down. There is an aperture stop and features on the package that align to the lens. The ADNV-6330 VCSEL is recommended for illumination provides a laser diode with a single longitudinal and a single transverse mode. It is particularly suited as lower power consumption and highly coherent replacement of LEDs. It also provides wider operation range while still remaining within single-mode, reliable operating conditions. The ADNS-6120 or ADNS6130-001 Laser Mouse Lens is designed for use with ADNS6030 sensor and the illumination subsystem provided by the assembly clip and the VCSEL. Together with the VCSEL, the lens provides the directed illumination and optical imaging necessary for proper operation of the Laser Mouse Sensor. ADNS-6120 and ADNS-6130-001 are precision molded optical components and should be handled with care to avoid scratching of the optical surfaces. ADNS-6120 also has a large round flange to provide a long creepage path for any ESD events that occur at the opening of the base plate. The ADNS-6230-001 VCSEL Assembly Clip is designed to provide mechanical coupling of the ADNV-6330 VCSEL to the ADNS-6120 or ADNS-6130-001 lens. This coupling is essential to achieve the proper illumination alignment required for the sensor to operate on a wide variety of surfaces. Agilent Technologies provides an IGES file drawing describing the base plate molding features for lens and PCB alignment. 3 www.DataSheet4U.com Figure 3. Recommended PCB mechanical cutouts and spacing Assembly Recommendation 1. Insert the sensor and all other electrical components into the application PCB (main PCB board and VCSEL PCB board). 2. Wave-solder the entire assembly in a no-wash solder process utilizing a solder fixture. The solder fixture is needed to protect the sensor during the solder process. It also sets the correct sensor-to -PCB distance, as the lead shoulders do not normally rest on the PCB surface. The fixture should be designed to expose the sensor leads to solder while shielding the optical 4 aperture from direct solder contact. 3. Place the lens onto the base plate. 4. Remove the protective kapton tape from the optical aperture of the sensor. Care must be taken to keep contaminants from entering the aperture. 5. Insert the PCB assembly over the lens onto the base plate. The sensor aperture ring should self-align to the lens. The optical position reference for the PCB is set by the base plate and lens. Note that the PCB motion due to button presses must be minimized to maintain optical alignment. 6. Remove the protective cap from the VCSEL. 7. Insert the VCSEL assembly into the lens. 8. Slide the clip in place until it latches. This locks the VCSEL and lens together. 9. Tune the laser output power from the VCSEL to meet the Eye Safe Class I Standard as detailed in the LASER Power Adjustment Procedure. 10. Install the mouse top case. There must be a feature in the top case (or other area) to press down onto the sensor to ensure the sensor and lens are interlocked to the correct vertical height. www.DataSheet4U.com Design considerations for improving ESD Performance For improved electrostatic discharge performance, typical creepage and clearance distance are shown in the table below. Assumption: base plate construction as per the Agilent supplied IGES file and ADNS-6130-001 trim lens (or ADNS-6120 round lens). Typical Distance Creepage Clearance Millimeters 12.0 2.1 Figure 4. Sectional view of PCB assembly highlighting optical mouse components Note that the lens material is polycarbonate and therefore, cyanoacrylate based adhesives or other adhesives that may damage the lens should NOT be used. +3V 3 C3 1 C2 0.1 3 U4 LP2950ACZ-3V Vout Vin GND 2 1 Vcc SW2 Middle Button SW1 10 9 74VHC125 4 5 74VHC125 7 1 2 74VHC125 14 C4 0.1 C5 4.7 U3C 8 U3B 6 U3A Right Button SW3 Left Button Vcc 14 5 20 6 19 C1 0.1 C8 0.1 C9 1 10 16 C7 1 Q1 NTA415IP AVDD VDD P1.0 P1.1 P1.2 P1.3 P1.6 VCC P0.7 P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 21 22 23 24 4 3 2 1 2 3 4 5 C6 0.1 NCS MISO SCLK MOSI MOTION AGND AGND 9 11 D1 VCSEL C10 470p J1 POWER VBUS 1 GND 2 D+ 3 D4 Vcc 8 17 16 15 R1 1.30K 13 11 12 U1 P1.7 CYPRESS CY7C63743 D+/SCLK D-/SDATA Vcc Q2 Z-ENCODER VCC 2 1 3 R2 27K R3 27K 14 17 18 R4 240 D2 Z-LED U2 ADNS-6030 GND GND GND 15 12 13 6 8 7 NC NC NC P1.4 P1.5 7 18 QA QB LASER_NEN XY_LASER LASER_GND XTALOUT VREG/P2.0 XTALIN/P2.1 VSS 9 P0.0 VPP 1 10 Figure 5a. Schematic Diagram for 3-Button Scroll Wheel Corded Mouse Notes 1. The supply and ground paths should be laid out using a star methodology. 2. Level shifting is required to interface a 5V micro-controller to the ADNS-6030. If a 3V micro-controller is used, the 74VHC125 component shown may be omitted. 5 www.DataSheet4U.com 3 C10 0.1uF MAX1722 VDD IRQ 11 Q2 MMBT3904 R18 27 C19 47nF R21 Open C12 47pF MC68HC908QY4 R26 1M R27 1M R2 1M R3 1M VDD NC 17 C8 0.1uF 16 PTA1 NC 18 5 C7 10uF ADNS-6030 MC68HC908JB12 6 U3 BAT+1 C11 100uF BAT-1 2 FB 4 C9 100uF OUT VDD GND MVDD 1 5 BATT LX VDDA L1 22uH AVDD R7 R6 1.1M 1M 3 2 3 8 14 1 9 11 3 RB 1 12 PTB5 PTB6 PTA3 PTB7 SCLK 6 3 MOSI 7 PTA2 4 MOTION 13 5 NC 3 PTB0 14 GND 12 AVDD C4 0.1uF GND 13 C17 30pF 2 Z-Wheel 10 PTB1 VDD G1 5 VDDA G2 4 Z1 2 Z2 3 2 OSC1 2 R25 X1 C18 10M 12MHz 30pF PTA4 PTB4 MISO 2 GND 15 PTA5 PTB3 2 MB 1 1 U2 U1 NCS VDD 16 C1 1uF C2 0.1uF VDD LB LVDD OSC2 3 AVDD 10 C3 1uF AGND 11 AGND 9 Q3 LASER_NEN NTA415IP 6 LASER_GNDXY_LASER 15 PTB2 PTA0 4 VDDA RF Receiver VDDA Circuitry Circuitry RF Transmitter RF_DATA RF_OFF C20 10nF VSS 1 D1 VCSEL MVDD ID Button C21 470pF 7 8 LVDD C5 1uF C6 0.1uF PTC0 10 RST 20 PTE1 7 RF_DATA U4 USB BUS VREG GND C13 47uF L2 4 C14 0.1uF R20 1K5 D+ PTE3 R17 27 R19 Open C11 47pF 8 D- 9 PTE4 L3 5 VDD C15 47uF C16 0.1uF R22 10K C13 47uF C14 0.1uF Q1 MMBT3906 R23 10K RF_OFF PTA4 15 R24 10 1 VSS Figure 5b. Schematic Diagram for 3-Button Scroll Wheel Cordless Mouse www.DataSheet4U.com LASER Drive Mode The laser is driven in pulsed mode during normal operation. A calibration mode is provided which drives the laser in continuous (CW) operation. Eye Safety The ADNS-6030 and the associated components in the schematic of Figure 5 are intended to comply with Class 1 Eye Safety Requirements of IEC 60825-1. Agilent Technologies suggests that manufacturers perform testing to verify eye safety on each mouse. It is also recommended to review possible single fault mechanisms beyond those described below in the section “Single Fault Detection”. Under normal conditions, the ADNS6030 generates the drive current for the laser diode (ADNV-6330). In order to stay below the Class 1 power requirements, LASER_CTRL0 (register 0x1a), LASER_CTRL1 (register 0x1f), LSRPWR_CFG0 (register 0x1c) and LSRPWR_CFG1 (register 0x1d) must be programmed to appropriate values. The system comprised of the ADNS-6030 and ADNV-6330, is designed to maintain the output beam power within Class 1 requirements over components manufacturing tolerances and the recommended temperature range when adjusted per the procedure below and implemented as shown in the recommended application circuit of Figure 5. For more information, please refer to Agilent ADNB-6031 and ADNB-6032 Laser Mouse Sensor Eye Safety Application Note AN 5230. LASER Power Adjustment Procedure 1. The ambient temperature should be 25C +/- 5C. 2. Set VDD to its permanent value. 3. Set the Range bit (bit 7 of register 0x1a) to 0. 4. Set the Range_C complement bit (bit 7 of register 0x1f) to 1. 5. Set the Match_bit (bit 5 of register 0x1a) to the correct value for the bin designation of the laser being used. 6. Set the Match_C_bit (bit 5 of register 0x1f) to

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