Electronics, PCB Design and PCB Layout Daycounter, Inc.
Engineering Services

Custom Firmware, Electronics Design, and PCB Layout

Electronics Design
Firmware Development
Software Development
Embedded Design
PCB Layout
Digital Signal Processing (DSP)
Reverse Engineering
Device Driver Development
Motor Controllers
Data Acquisition Systems
Palm OS Software
Windows CE Software
Pocket PC Software
Design for Manufacturing
Through Hole to Surface Mount (SMT) Conversion 
Microchip PIC Consultant
MSP430 Development
DSP56 Development
RoHs Redesign
Design for USB

Silver Board Contract Assembly


Useful Chips

Here's a list of useful chips that we've come across:

  • MAX4172 (www.maxim-ic.com)  A high side current sensing amplifier chip. It's useful in motor control.  You can read the current through a high side current sensing resistor. 
  • LTC6101 (www.linear.com) - High side current sensing chip.
  • Chip Corder (www.winbond.com) - Voice record and playback on a single chip.
  • ISD4003 (www.winbond.com) - Voice record and playback on a single chip.
  • LT3484 www.linear.com- Xenon photoflash charger ICS.
  • PCF8562TT/2-T - Philips - 40x4 LCD display driver. $0.69 qty 1000.
  • IR22381 - International Rectifier  - 3 phase motor controller chip.
  • CS5368 - Cirrus Logic - 8 channel differential 192KHz ADC
  • FDN336P - P-Channel low resistance mosfet.
  • MT7238CT-ND- Modem Transformer from digikey
  • Si3016 -  Silicon Labs DAA
  • ADuM1100 and others - Analog Devices -  high speed digital isolators using micro onchip transformers. 
  • PMV65XP or IRLML6402 - Ultra Low On-Resistance (Rds(on)=0.065) ohms, P-Ch Mosfet, SOT 23, Vgs=1.2. 3.5A, 20V.
  • TL431 - This is essentially a programmable Zener, where it's voltage can be set by a resistive voltage divider.
  • S1D13705 -  LCD TFT controller chip from Epson  allows a microprocessor to interface to an LCD Display.   The are various different types in the S1D13 family.  Distributed through Digikey, Mouser, etc. 
  • SC120 - Semtech - Boost Controller 1.2MHz  $0.37 qty 1000. 



Daycounter specializes in contract electronics design.  Do you need some help on your project?  Contact us to get a quote. 


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