Infrared (IR) contactless thermometers are a safe approach to measuring temperature. This device does not make contact with the skin, and it can accurately and quickly display the temperature, as long as it is within range and close to the forehead. Because of the prevalence of new viruses, there is a huge demand for contactless thermometers. The RL78/H1D includes high-precision analog functions, such as a Delta-Sigma ADC, SAR ADC, PGA, and OPA, which are necessary for accurate and fast measurements. It also has a built-in LCD controller/driver, making the RL78/H1D well-suited for IR contactless thermometer solutions. The ISL9205D is a cost-effective, fully integrated high-input voltage single-cell Li-ion battery charger. This design also features a high-performance LDO, which provides a reliable power system.

System Benefits:

  • Renesas' high-precision analog MCU provides signal amplification, system control, and an LCD display in one chip
  • High performance and high input voltage charger and LDO for an integrated solution



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4:3 ratio Sheet.1 Sheet.2 Sheet.3 Sheet.4 CN254 CN254 CN254 Li-Ion Battery Charger Li-Ion Battery Charger Li-Ion Battery Charger LDO LDO LDO Ground (earth) Sheet.16 Sheet.17 Sheet.18 Sheet.19 Buzzer speaker_8_ Sheet.163 Sheet.164 Sheet.165 Sheet.166 LCD Display Sheet.196 Sheet.197 Sheet.198 Sheet.199 Sheet.200 Sheet.201 Sheet.202 Sheet.203 Sheet.204 Sheet.205 Sheet.206 Sheet.207 Sheet.208 Sheet.209 Sheet.210 Sheet.211 Sheet.212 Sheet.213 Sheet.214 Sheet.215 Sheet.216 Sheet.217 Sheet.218 Sheet.219 Sheet.220 Sheet.221 Sheet.222 Sheet.223 Sheet.224 ON ON ON OFF OFF OFF Sheet.227 Sheet.228 Sheet.229 Sheet.230 Sheet.231 Sheet.232 Sheet.233 Key Sheet.275 Sheet.276 Sheet.277 Sheet.278 IR Temperature Sensor IR Temperature Sensor IR Temperature Sensor AC/DC Adapter Non-Renesas Component Sheet.314 Sheet.155 Plug Sheet.157 Sheet.158 Sheet.159 Sheet.160 Connector Arrow Connector Arrow.318 Connector Arrow.319 Sheet.324 Sheet.325 Sheet.326 Connector Arrow.335 LCD LCD LCD Sheet.338 Connector Arrow.339 Buzzer Buzzer Buzzer Key Key Key 3.7V 3.7V 3.7V 3.3V 3.3V 3.3V Battery.27 Sheet.349 Sheet.350 Sheet.351 LiB LiB LiB + + + Sheet.354 Non-Renesas Component.310 Sheet.286 Sheet.292 Sheet.302 Sheet.303 5V 5V 5V AC/DC Adapter AC/DC Adapter AC/DC Adapter MCU MCU MCU MCU GPIO GPIO GPIO GPIO GPIO GPIO LCDC LCDC LCDC 24-bit ∆Σ ADC 24-bit ∆Σ ADC 24-bitΣ ADC Sheet.358 Sheet.359 Sheet.360 OPA OPA OPA
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