Applied Sensor Technology

Overview
Applied sensor technology is now used in a variety of electronic products. This technology is essential to achieving high-performance “intelligent” functions. In recent years, applied sensor technology has gained increasing popularity from an eco-friendly standpoint for deducing power consumption. By monitoring peripheral activities and providing fine-grained control of product operation, overall power consumption can be significantly reduced. The importance of such functionality continues to grow. Systems employing a variety of sensors require multichannel A/D converters and timer inputs in order to control the many sensors deployed. In addition, device control is essential, for example to operate motors linked to sensors.
Renesas’ RL78/G14 and R8C/3x Series of microcontrollers provide multiple inputs and outputs at low cost and are ideal for flexible product configurations. They combine multifunction timers, multichannel A/D converters, and low-power operation suitable for applied sensor applications.
System Block Diagram
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Recommended Products
| Block | Semiconductor device | Recommended products | Features, etc. |
|---|---|---|---|
| Control MCU | MCU | RL78/G14 |
1.6 V to 5.5 V operation, Low power consumption |
| R8C/3x Series | 1.8 V to 5 V operation, 16-bit CPU | ||
| MCU peripheral | CMOS op-amp. | HA1630xxx Series | Low power consumption |
| Reset IC | RNA519xx Series | Variable detection voltage | |
| Motor control | Power MOSFET | HAT1xxxR, HAT2xxxR, HAT3xxxR | Composite devices (Pch + Pch, Nch + Nch, Pch + Nch) |
| UPA275xGR, UPA277xGR, UPA279xGR | |||
| Low power MOSFET | RQKxxxx Series, RQJxxxx Series | Small package | |
| General use surge absorption circuit protection, etc. | Zener diode | NNCDxxDA Series | High ESD tolerance optimal for use in surge absorption |
| RDxxS Series | 2-terminal face-mount outline | ||
| Sensor |
Ambient Illuminance Sensor |
PH5502B2NA1 | Analog linear output |
| PH5551A2NA1 |
Digital output, I2C bus interface *1 |
*1: I2C : Inter-Integrated Circuit
Related Application Notes/Sample Code
| Title | Document No. |
|---|---|
| Sample Application Program Generator & Organizer Sango system * |
- |
| Power MOS FET application note | REJ05G0001-0200 |
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