{"id":6390,"date":"2026-06-16T02:35:05","date_gmt":"2026-06-16T02:35:05","guid":{"rendered":"https:\/\/materialparts.com\/tps62147rgxr\/"},"modified":"2026-06-16T02:35:05","modified_gmt":"2026-06-16T02:35:05","slug":"tps62147rgxr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/tps62147rgxr\/","title":{"rendered":"TPS62147RGXR"},"content":{"rendered":"

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

The TPS62147RGXR from Texas Instruments is a high-accuracy synchronous step-down DC-DC converter featuring DCS-Control topology. Housed in a compact 3mm x 2mm VQFN-HR (11-pin) package, it operates over a wide 3V to 17V input range and delivers up to 2A of continuous output current with \u00b11% output voltage accuracy in PWM mode, making it ideal for multi-cell Li-ion battery and 12V intermediate rail applications.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n
\u8f93\u5165\u7535\u538b\u8303\u56f4<\/td>\n3V to 17V<\/td>\n<\/tr>\n
Output Voltage Range<\/td>\n0.8V to 12V (adjustable)<\/td>\n<\/tr>\n
Max Output Current<\/td>\n2A<\/td>\n<\/tr>\n
\u5f00\u5173\u9891\u7387<\/td>\n1.25MHz \/ 2.5MHz (selectable)<\/td>\n<\/tr>\n
\u9759\u6001\u7535\u6d41<\/td>\n18\u00b5A (typical)<\/td>\n<\/tr>\n
\u5173\u673a\u7535\u6d41<\/td>\n1\u00b5A (typical)<\/td>\n<\/tr>\n
Output Voltage Accuracy<\/td>\n\u00b11% (PWM mode)<\/td>\n<\/tr>\n
\u63a7\u5236\u6a21\u5f0f<\/td>\nDCS-Control<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40\u00b0C to 125\u00b0C<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nVQFN-HR-11 (3 x 2 mm)<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • DCS-Control topology for fast transient response<\/li>\n
  • Auto Efficiency Enhancement (AEE) across load range<\/li>\n
  • Forced PWM or PWM\/PFM mode selectable<\/li>\n
  • 100% duty cycle mode for lowest dropout<\/li>\n
  • Adjustable soft-start and precision enable input<\/li>\n
  • Power Good output and UVLO adjustable<\/li>\n
  • Hiccup overcurrent protection<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Industrial PC and video surveillance<\/li>\n
    • Multi-cell battery powered POL supplies<\/li>\n
    • Factory automation and PLC systems<\/li>\n
    • Building automation<\/li>\n
    • Standard 12V power rail conversion<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TPS62147RGXR from Texas Instruments is a high-accuracy synchronous step-down DC-DC converter featuring DCS-Control topology. Housed in a compact 3mm x 2mm VQFN-HR (11-pin) package, it operates over a wide 3V to 17V input range and delivers up to 2A of continuous output current with \u00b11% output voltage accuracy in PWM mode, making […]<\/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":[31,13],"tags":[],"chip_brand":[138],"class_list":["post-6390","post","type-post","status-publish","format-standard","hentry","category-dc-dc-converters","category-integrated-circuits-ics","chip_brand-ti"],"acf":{"brief_explanation":"High-accuracy 3V-17V 2A synchronous buck converter with DCS-Control in 3x2mm VQFN","date_code":"","package_case":"VQFN-HR-11 (3.00 x 2.00 mm)","in_stock":8742,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps62147.pdf","price":"$1.28 @ 1ku","product_introduction":"The TPS62147 is a high-efficiency synchronous step-down DC-DC converter from Texas Instruments, based on the proprietary DCS-Control topology. It features a wide input voltage range of 3V to 17V, making it suitable for multi-cell lithium-ion battery packs and 12V intermediate power rails. The device delivers up to 2A of continuous output current with an adjustable output voltage from 0.8V to 12V. In PWM mode, it achieves \u00b11% output voltage accuracy across the specified junction temperature range. The converter automatically enters power-save mode under light-load conditions, maintaining high efficiency across the entire load range. The FSEL pin allows selection of forced PWM switching frequency at either 1.25MHz or 2.5MHz. Housed in a compact 3mm x 2mm VQFN-HR package with 11 pins, it offers excellent thermal performance and minimal board footprint.","working_principle":"The TPS62147 employs DCS-Control (Direct Control with Seamless transition) topology, which combines voltage-mode control with a current-loop emulator for superior transient response. The control loop operates in PWM mode at medium to heavy loads, switching at the selected frequency (1.25MHz or 2.5MHz). Under light-load conditions, the device transitions seamlessly into PFM mode via Auto Efficiency Enhancement (AEE), adjusting switching frequency based on output current and voltage conditions to maximize efficiency. The precision enable input with adjustable UVLO threshold allows user-defined power-up sequencing. The 100% duty cycle mode enables the high-side MOSFET to remain fully on, minimizing dropout voltage for low-input applications. Overcurrent protection uses a hiccup scheme to limit thermal stress during fault conditions.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Description<\/th><\/tr>
      1<\/td>SW<\/td>Power<\/td>Switch node connection to inductor<\/td><\/tr>
      2<\/td>VIN<\/td>Power<\/td>Input supply voltage (3V to 17V)<\/td><\/tr>
      3<\/td>GND<\/td>Ground<\/td>Device ground and thermal pad<\/td><\/tr>
      4<\/td>EN<\/td>Input<\/td>Enable pin with adjustable UVLO; pull high to enable<\/td><\/tr>
      5<\/td>FSEL<\/td>Input<\/td>Frequency select: Low = 1.25MHz, High = 2.5MHz in forced PWM<\/td><\/tr>
      6<\/td>FB<\/td>Input<\/td>Feedback voltage input for adjustable output; connect to resistor divider<\/td><\/tr>
      7<\/td>SS\/TR<\/td>Input<\/td>Soft-start and tracking input; connect capacitor to GND<\/td><\/tr>
      8<\/td>PG<\/td>Output<\/td>Power Good open-drain output; active high when output is in regulation<\/td><\/tr>
      9<\/td>MODE<\/td>Input<\/td>Mode selection: Low = PFM\/PWM auto, High = Forced PWM<\/td><\/tr>
      10<\/td>AGND<\/td>Ground<\/td>Analog ground reference<\/td><\/tr>
      11<\/td>PGND<\/td>Ground<\/td>Power ground for output stage<\/td><\/tr><\/table>","application_scenarios":"
      • Industrial PCs:<\/b> Converts 12V rail to 3.3V\/5V for processor and peripheral supplies with high efficiency at light loads for always-on standby<\/li>
      • Video Surveillance Systems:<\/b> Powers camera modules and image processors from multi-cell battery or 12V adapter with minimal heat generation<\/li>
      • Factory Automation\/PLC:<\/b> Provides precision 5V or 3.3V logic supply from 12V\/24V bus through pre-regulation stage<\/li>
      • Portable Battery Devices:<\/b> Steps down 2S-4S Li-ion battery voltage (6V-16.8V) to system rails with 18\u00b5A IQ extending runtime<\/li>
      • Building Automation:<\/b> Drives sensors and microcontrollers from 12V bus with overcurrent and thermal protection for field reliability<\/li><\/ul>","alternative_models":"
        Model<\/th>Manufacturer<\/th>Vin Max<\/th>Iout<\/th>Key Difference<\/th><\/tr>
        TPS62148RGXR<\/td>TI<\/td>17V<\/td>2A<\/td>Active output discharge; no hiccup OCP<\/td><\/tr>
        TPS62150RGTR<\/td>TI<\/td>17V<\/td>1A<\/td>Lower current, same topology<\/td><\/tr>
        TPS63070RNM<\/td>TI<\/td>16V<\/td>2A<\/td>Buck-boost topology for wider range<\/td><\/tr>
        LMR33630ADDA<\/td>TI<\/td>36V<\/td>3A<\/td>Higher voltage and current rating<\/td><\/tr>
        MAX17503ATB+<\/td>ADI<\/td>60V<\/td>2.5A<\/td>Much higher input voltage range<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6390","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=6390"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/6390\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=6390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=6390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=6390"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=6390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}