{"id":9165,"date":"2026-07-02T12:01:43","date_gmt":"2026-07-02T12:01:43","guid":{"rendered":"https:\/\/materialparts.com\/cy8c4146lti-s245\/"},"modified":"2026-07-03T08:04:44","modified_gmt":"2026-07-03T08:04:44","slug":"cy8c4146lti-s245","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/cy8c4146lti-s245\/","title":{"rendered":"CY8C4146LTI-S245"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The CY8C4146LTI-S245 is an Infineon (Cypress) PSoC\u2122 4100S Plus automotive-grade microcontroller based on the ARM Cortex-M0+ core at 48MHz. It features 64KB Flash, 8KB SRAM, 12-bit 1Msps SAR ADC, two opamps, CAPSENSE\u2122 capacitive sensing, Smart I\/O programmable logic, and five serial communication blocks (SCB). AEC-Q100 qualified for automotive HMI and sensing applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
CPU Core<\/td>\nARM Cortex-M0+ @ 48MHz<\/td>\n<\/tr>\n
Flash Memory<\/td>\n64KB<\/td>\n<\/tr>\n
SRAM<\/td>\n8KB<\/td>\n<\/tr>\n
ADC<\/td>\n12-bit, 1Msps SAR<\/td>\n<\/tr>\n
Op-Amps<\/td>\n2 (with comparator mode)<\/td>\n<\/tr>\n
SCB Blocks<\/td>\n5 (I2C\/SPI\/UART reconfigurable)<\/td>\n<\/tr>\n
TCPWM Blocks<\/td>\n8 x 16-bit<\/td>\n<\/tr>\n
GPIO<\/td>\n34-54 (package dependent)<\/td>\n<\/tr>\n
CAPSENSE\u2122<\/td>\nCSD with SmartSense auto-tuning<\/td>\n<\/tr>\n
Operating Voltage<\/td>\n1.71V to 5.5V<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to +125\u00b0C<\/td>\n<\/tr>\n
\u8d44\u683c<\/td>\nAEC-Q100<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • ARM Cortex-M0+ at 48MHz with up to 128KB Flash<\/li>\n
  • Programmable analog: 2 opamps, 2 IDACs, 2 low-power comparators<\/li>\n
  • 12-bit 1Msps SAR ADC with differential and single-ended modes<\/li>\n
  • Best-in-class CAPSENSE\u2122 capacitive sensing (SNR > 5:1)<\/li>\n
  • Smart I\/O programmable logic blocks for Boolean operations<\/li>\n
  • 5 reconfigurable SCBs (I2C\/SPI\/UART\/LIN slave)<\/li>\n
  • LCD direct drive capability<\/li>\n
  • True Random Number Generator (TRNG)<\/li>\n
  • ECO (4-33MHz external crystal) + PLL + WCO<\/li>\n
  • Deep Sleep mode with 2.5\u03bcA digital current<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Automotive HMI touch panels<\/li>\n
    • Seat control modules<\/li>\n
    • Automotive e-compressor control<\/li>\n
    • Smart sensor interfaces<\/li>\n
    • Industrial capacitive sensing<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The CY8C4146LTI-S245 is an Infineon (Cypress) PSoC\u2122 4100S Plus automotive-grade microcontroller based on the ARM Cortex-M0+ core at 48MHz. It features 64KB Flash, 8KB SRAM, 12-bit 1Msps SAR ADC, two opamps, CAPSENSE\u2122 capacitive sensing, Smart I\/O programmable logic, and five serial communication blocks (SCB). AEC-Q100 qualified for automotive HMI and sensing applications. Key […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[710],"chip_brand":[173],"class_list":["post-9165","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","tag-cy8c4146lti-s245","chip_brand-infineon"],"acf":{"brief_explanation":"AEC-Q100 PSoC 4100S Plus MCU, Cortex-M0+ 48MHz, 64KB Flash, 12-bit ADC, CAPSENSE, QFN-40","date_code":"","package_case":"QFN-40 (6 x 6 x 0.9 mm)","in_stock":8540,"datasheet":"https:\/\/www.infineon.com\/dgdl\/Infineon-CY8C4146FNI-S443T-DataSheet-v04_00-EN.pdf","price":"$2.35 @ 1ku","product_introduction":"The CY8C4146LTI-S245 is an Infineon PSoC\u2122 4100S Plus automotive microcontroller featuring an ARM Cortex-M0+ core at 48MHz, 64KB Flash, 8KB SRAM, and rich programmable analog including 12-bit 1Msps SAR ADC, two opamps, and two IDACs. With AEC-Q100 qualification and best-in-class CAPSENSE\u2122 technology, it is designed for automotive HMI touch panels, seat control, and smart sensing applications. The 5 reconfigurable SCBs, Smart I\/O programmable logic, and LCD drive capability provide exceptional design flexibility.","working_principle":"The CY8C4146LTI-S245 combines a standard ARM Cortex-M0+ microcontroller with Infineon's PSoC programmable analog and digital fabric. The programmable analog blocks include opamps that can be configured as PGAs, voltage buffers, trans-impedance amplifiers, or comparators, all routable to any GPIO through the analog multiplexed buses. The SAR ADC uses an 8-input sequencer for autonomous multi-channel scanning with zero switching overhead. The CAPSENSE\u2122 CSD (Capacitive Sigma-Delta) block provides high-SNR capacitive sensing with SmartSense automatic hardware tuning. The Smart I\/O blocks perform Boolean logic operations on port signals without CPU intervention. The 5 SCBs can be independently configured as I2C, SPI, or UART at runtime, enabling flexible communication topologies. Deep Sleep mode retains low-power comparator and LPC functionality while drawing only 2.5\u03bcA digital current.","pin_description":"
      Pin Group<\/th>Mnemonic<\/th>Description<\/th><\/tr>
      1-8<\/td>P0[0]-P0[7]<\/td>Port 0 GPIO (analog\/digital\/CAPSENSE)<\/td><\/tr>
      9-16<\/td>P1[0]-P1[7]<\/td>Port 1 GPIO<\/td><\/tr>
      17-24<\/td>P2[0]-P2[7]<\/td>Port 2 GPIO (ADC inputs)<\/td><\/tr>
      25-32<\/td>P3[0]-P3[7]<\/td>Port 3 GPIO<\/td><\/tr>
      33<\/td>VDDD<\/td>Digital supply (1.71-5.5V)<\/td><\/tr>
      34<\/td>VSSA<\/td>Analog ground<\/td><\/tr>
      35<\/td>VDDA<\/td>Analog supply<\/td><\/tr>
      36<\/td>XRES<\/td>External reset (active low)<\/td><\/tr>
      37-40<\/td>P4[0]-P4[3]<\/td>Port 4 GPIO<\/td><\/tr><\/table>","application_scenarios":"
      • Automotive HMI touch panel with CAPSENSE buttons, sliders, and proximity detection<\/li>\n
      • Seat control module with motor PWM, ADC position sensing, and LIN communication<\/li>\n
      • Automotive e-compressor controller with opamp signal conditioning and SPI sensor interface<\/li>\n
      • Smart sensor fusion node with programmable analog front-end and multi-protocol SCB<\/li>\n
      • Industrial capacitive sensing controller with LCD display drive<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Key Difference<\/th><\/tr>
        CY8C4146AZA-S245<\/td>Infineon<\/td>Same MCU in TQFP-64 package (54 GPIO)<\/td><\/tr>
        CY8C4147LQE-S453<\/td>Infineon<\/td>128KB Flash, 16KB SRAM version<\/td><\/tr>
        STM32G071KBU6<\/td>ST<\/td>Cortex-M0+, 128KB, no CAPSENSE<\/td><\/tr>
        S32K116<\/td>NXP<\/td>Cortex-M0+, 128KB, CAN FD<\/td><\/tr>
        ATSAMD21J18A<\/td>Microchip<\/td>Cortex-M0+, 256KB, USB<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9165","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/comments?post=9165"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9165\/revisions"}],"predecessor-version":[{"id":9510,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/9165\/revisions\/9510"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=9165"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=9165"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=9165"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=9165"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}