Renesas ISL29501-ST-EV1Z Manual
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Renesas ISL29501-ST-EV1Z Manual

Renesas ISL29501-ST-EV1Z Manual

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ISL29501-ST-EV1Z
Sand Tiger Evaluation Board
The ISL29501-ST-EV1Z is a distance measurement
reference design. It combines the
an OSRAM SFH 4550 IR emitting LED and OSRAM
SFH 213FA photodiode. The circuit board is enclosed
in an opaque plastic chassis designed to optically
isolate components. Included is a USB flash drive
containing the evaluation software for a PC and
related technical documents.
The ISL29501-ST-EV1Z board also allows quick
evaluation of the ISL29501 performance for a 2m
sensing system.
Specifications
This board is configured and optimized for the
following operating conditions:
▪ Micro USB 2.0 connection
▪ V
= 5V (USB Power)
IN
▪ I
maximum = 225mA
DD
▪ P optical maximum = 70mW
▪ Wavelength = 860nm
▪ Optical duty cycle maximum = 50%
▪ Emission angle = ±3°
▪ Coherent light - No
USB 5V
LDO
8051
HOST
CONTROLLER
UG055 Rev.1.00
Apr 5, 2022
ISL29501
chip with
C
1
R
4
R
5
R
R
R
1
2
3
C
4
Figure 1. Sand Tiger Block Diagram
Evaluation Board Manual
Features
▪ Self contained measurement system
▪ Enables proximity detection and distance
measurement
▪ Emitter DAC with programmable current up to
255mA
▪ Operates in continuous or single shot mode
▪ On-chip active ambient light rejection
▪ Regulated power 2.7V to 3.3V USB or external
supply
2
▪ I
C interface supporting 1.8V and 3.3V bus
Contents
The following items are shipped with board:
▪ USB cable
▪ Software
▪ Technical documentation
2.7V TO 3.3V
DVCC
EVCC
EIR
DVSS
EVSS
A1
A2
ISL29501
PDp
SCL
SDA
PDn
IRQ
SS
AVCC
CEn
VOUT
AVSS
RSET
AVDD
© 2015-2022 Renesas Electronics
C 2
IR
LED
PD
C
3
R
4
Page 1

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Summary of Contents for Renesas ISL29501-ST-EV1Z

  • Page 1 Evaluation Board Manual ISL29501-ST-EV1Z Sand Tiger Evaluation Board Features The ISL29501-ST-EV1Z is a distance measurement reference design. It combines the ISL29501 chip with ▪ Self contained measurement system an OSRAM SFH 4550 IR emitting LED and OSRAM ▪ Enables proximity detection and distance SFH 213FA photodiode.

  • Page 2: Table Of Contents

    ISL29501-ST-EV1Z ........

  • Page 3: Functional Description

    Before meaningful measurements can be made, the calibration registers in the chip need to be loaded. This can be done in two ways. The first is to load a profile that contains data into the GUI. This could be one of the Renesas provided profiles or one that was saved previously by the user.

  • Page 4: Operating Range

    ISL29501-ST-EV1Z Evaluation Board Manual For this calibration, the user makes a distance measurement with the return signal blocked from reaching the photodiode. This can be done in two ways. The first is to cover the emitter or photodiode optically preventing any of the emitted signal from reaching the photodiode.

  • Page 5: Sand Tiger Enclosure

    ISL29501-ST-EV1Z Evaluation Board Manual Sand Tiger Enclosure The Sand Tiger chassis allows easy handling of the board to make distance measurements. The threaded hole fits most camera tripod screws, which create a stable mount for precision measurements and characterization. The holes in the top isolates the emitter and photodiode to minimize optical crosstalk.

  • Page 6: Pcb Layout Guidelines

    They prevent crosstalk from the emitter to the photodiode. PCB Layout Guidelines The ISL29501-ST-EV1Z PCB layout has been optimized for electrical and thermal performance. Care needs to be placed in decoupling circuits and noise isolation. Sand Tiger follows good design techniques but additional suggestions are available in AN1917, ISL29501 Layout Design Guide.

  • Page 7: Sand Tiger Schematics

    ISL29501-ST-EV1Z Evaluation Board Manual Sand Tiger Schematics 2.2.1 Control Sheet Figure 6. Sand Tiger Schematic Control Sheet UG055 Rev.1.00 Page 7 Apr 5, 2022...

  • Page 8: Isl29501 And Power

    ISL29501-ST-EV1Z Evaluation Board Manual 2.2.2 ISL29501 and Power Figure 7. Sand Tiger Schematic - ISL29501 and Power UG055 Rev.1.00 Page 8 Apr 5, 2022...

  • Page 9: Bill Of Materials

    ISL29501-ST-EV1Z Evaluation Board Manual Bill of Materials 2.3.1 ISL29501-ST-EV1Z Reference Designator Description Manufacturer Manufacturer Part PWB-PCB-ISL29501-ST-EV1Z, ISL29501-ST- REVC, ROHS EV1ZREVCPCB CAP, SMD, 0402, 100pF, 16V, 10%, C19, C31, C32 0402YA101KAT2A NP0, ROHS CAP, SMD, 0402, 3.3µF, 4V, 20%, TAIYO YUDEN...
  • Page 10 ISL29501-ST-EV1Z Evaluation Board Manual Reference Designator Description Manufacturer Manufacturer Part IC-TOF SIGNAL PROCESSOR, 24P, INTERSIL ISL29501IRZ-T7 QFN, ROHS IC-1A LDO ADJ.VOLT REGULATOR, INTERSIL ISL80101AIRAJZ 10P, DFN, 3x3, ROHS IC-TVS, 4-CHANNEL ESD TEXAS TPD4S012DRYR SOLUTION, 6P, SON6, ROHS INSTRUMENTS RES, SMD, 0402, 100Ω, 1/16W, 1%,...

  • Page 11: Chassis

    ISL29501-ST-EV1Z Evaluation Board Manual Reference Designator Description Manufacturer Manufacturer Part LABEL-DATE CODE_LINE 1: AFFIX TO BACK OF PCB INTERSIL LABEL-DATE CODE YRWK/REV#, LINE 2: BOM NAME IC-PHOTODIODE, RADIAL, 2P, OSRAM SFH213-FA 5mm, 50V, 900nm, 1nA, ROHS 2.3.2 Chassis Reference Designator...

  • Page 12: Board Layout

    ISL29501-ST-EV1Z Evaluation Board Manual Board Layout Figure 8. Top Layer UG055 Rev.1.00 Page 12 Apr 5, 2022...
  • Page 13 ISL29501-ST-EV1Z Evaluation Board Manual Figure 9. PCB – Layer 2 (Viewed from Top) UG055 Rev.1.00 Page 13 Apr 5, 2022...
  • Page 14 ISL29501-ST-EV1Z Evaluation Board Manual Figure 10. PCB – Layer 3 (Viewed from Top) UG055 Rev.1.00 Page 14 Apr 5, 2022...
  • Page 15 The process for collecting data is described in AN1967, ISL29501 Temperature and Ambient Data Collection. Renesas strongly recommends that customers evaluate these parameters as a last step in their evaluation. To avoid temperature effects low integration times, reg 0x10 < 0x06 should be used.

  • Page 16: Typical Performance Curves

    ISL29501-ST-EV1Z Evaluation Board Manual Typical Performance Curves USB Powered V = 5V, V = 3.3V, T = +25°C, Sample size = 5, integration time = 140ms. 0.08 0.06 0.04 0.02 -0.02 -0.04 -0.06 -0.08 Actual Distance (m) Actual Distance (m) Figure 12.
  • Page 17 Renesas' products are provided only subject to Renesas' Terms and Conditions of Sale or other applicable terms agreed to in writing. No use of any Renesas resources expands or otherwise alters any applicable warranties or warranty disclaimers for these products.

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