{"id":2156,"date":"2026-05-15T01:45:13","date_gmt":"2026-05-15T01:45:13","guid":{"rendered":"https:\/\/materialparts.com\/tpd4s012dryr\/"},"modified":"2026-05-15T01:51:03","modified_gmt":"2026-05-15T01:51:03","slug":"tpd4s012dryr","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/tpd4s012dryr\/","title":{"rendered":"TPD4S012DRYR"},"content":{"rendered":"

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

TPD4S012DRYR \u662f\u5fb7\u5dde\u4eea\u5668\u751f\u4ea7\u7684\u4e00\u6b3e\u57fa\u4e8e\u77ac\u6001\u7535\u538b\u6291\u5236\u5668 (TVS) \u7684\u56db\u901a\u9053 ESD \u4fdd\u62a4\u4e8c\u6781\u7ba1\u9635\u5217\uff0c\u4e13\u4e3a USB \u9ad8\u901f\u3001USB On-The-Go (OTG) \u548c USB \u5145\u7535\u5668\u63a5\u53e3\u800c\u8bbe\u8ba1\u3002\u8be5\u5668\u4ef6\u91c7\u7528\u8282\u7701\u7a7a\u95f4\u7684 USON-6 (DRY) \u5c01\u88c5\uff0c\u5c3a\u5bf8\u4ec5\u4e3a 1.45 x 1.00 x 0.6 mm\uff0c\u53ef\u63d0\u4f9b IEC 61000-4-2 4 \u7ea7 ESD \u4fdd\u62a4\uff0c\u6240\u6709\u53d7\u4fdd\u62a4\u7ebf\u8def\u7684\u63a5\u89e6\u653e\u7535\u6297\u6270\u5ea6\u5747\u4e3a\u00b110-kV\u3002\u8be5\u5668\u4ef6\u5177\u6709 15 V \u5bb9\u5dee VBUS \u7b9d\u4f4d\u548c D+\u3001D- \u548c ID \u4fe1\u53f7\u5f15\u811a\u4e0a 0.8-pF \u7684\u8d85\u4f4e\u7ebf\u8def\u7535\u5bb9\uff0c\u786e\u4fdd\u5728\u6570\u636e\u901f\u7387\u8d85\u8fc7 480 Mbps \u65f6\u5b8c\u5168\u7b26\u5408 USB 2.0 \u9ad8\u901f\u6807\u51c6\uff0c\u800c\u4e0d\u4f1a\u964d\u4f4e\u4fe1\u53f7\u5b8c\u6574\u6027\u3002\u5176\u76f4\u901a\u5f15\u811a\u6620\u5c04\u5141\u8bb8\u76f4\u63a5\u6bd7\u90bb USB \u8fde\u63a5\u5668\u653e\u7f6e\uff0c\u4e0d\u4f1a\u4ea7\u751f\u989d\u5916\u7684\u504f\u79fb\u3002.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u901a\u9053\u6570<\/td>\n4\uff08D+\u3001D-\u3001ID\u3001Vbus\uff09<\/td>\n<\/tr>\n
\u65b9\u5411\u6027<\/td>\n\u5355\u5411<\/td>\n<\/tr>\n
VRWM - \u5de5\u4f5c\u7535\u538b\uff08D+\/D-\/ID\uff09<\/td>\n5.5 V<\/td>\n<\/tr>\n
VRWM - \u5de5\u4f5c\u7535\u538b (VBUS)<\/td>\n15 V<\/td>\n<\/tr>\n
IO \u7535\u5bb9\uff08D+\/D-\/ID\uff0c\u5178\u578b\u503c\uff09<\/td>\n0.8 pF<\/td>\n<\/tr>\n
VBUS \u7535\u5bb9\uff08\u5178\u578b\u503c\uff09<\/td>\n11 pF<\/td>\n<\/tr>\n
\u6700\u5c0f\u51fb\u7a7f\u7535\u538b\uff08D+\/D-\/ID\uff09<\/td>\n6 V<\/td>\n<\/tr>\n
\u6700\u5c0f\u51fb\u7a7f\u7535\u538b (VBUS)<\/td>\n20 V<\/td>\n<\/tr>\n
\u94b3\u4f4d\u7535\u538b\uff08\u5178\u578b\u503c\uff09<\/td>\n8 V<\/td>\n<\/tr>\n
\u52a8\u6001\u7535\u963b\uff08\u5178\u578b\u503c\uff09<\/td>\n1 \u6b27\u59c6<\/td>\n<\/tr>\n
IO \u6f0f\u6cc4\u7535\u6d41\uff08\u6700\u5927\u503c\uff09<\/td>\n500 nA<\/td>\n<\/tr>\n
IEC 61000-4-2 \u63a5\u89e6\u653e\u7535<\/td>\n\u00b110 kV<\/td>\n<\/tr>\n
IEC 61000-4-5 \u6d6a\u6d8c\u7535\u6d41\uff088\/20 \u79d2\uff09<\/td>\n3 A<\/td>\n<\/tr>\n
\u5cf0\u503c\u8109\u51b2\u529f\u7387\uff088\/20 \u79d2\uff09<\/td>\n60 W<\/td>\n<\/tr>\n
VBUS \u7edd\u5bf9\u6700\u5927\u7535\u538b<\/td>\n20 V<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nUSON-6\uff08\u5e72\uff09\uff0c1.45 x 1.00 x 0.6 \u6beb\u7c73<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6\u8303\u56f4<\/td>\n-40\u81f3+85\u6444\u6c0f\u5ea6<\/td>\n<\/tr>\n
\u94c5\u6d82\u5c42<\/td>\n\u954d\u94af\u91d1<\/td>\n<\/tr>\n
MSL \u7b49\u7ea7<\/td>\nLevel-1-260C-UNLIM<\/td>\n<\/tr>\n
Rohs \/ REACH<\/td>\n\u7b26\u5408\u8981\u6c42<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • \u5728 D+\u3001D-\u3001ID \u548c VBUS \u5f15\u811a\u4e0a\u96c6\u6210\u4e86\u9759\u7535\u653e\u7535\u94b3\uff0c\u53ef\u4e3a\u5355\u82af\u7247 USB \u63a5\u53e3\u63d0\u4f9b\u4fdd\u62a4<\/li>\n
  • \u4fe1\u53f7\u5f15\u811a\u4e0a 0.8-pF \u7684\u8d85\u4f4e\u7ebf\u8def\u7535\u5bb9\u53ef\u4fdd\u6301 USB 2.0 \u9ad8\u901f\u4fe1\u53f7\u5b8c\u6574\u6027<\/li>\n
  • 15 V \u5bb9\u5dee VBUS \u7b9d\u4f4d\u652f\u6301\u6807\u51c6 5 V \u5de5\u4f5c\u7535\u538b\u4e4b\u5916\u7684 USB \u5145\u7535\u5668\u548c OTG \u5e94\u7528<\/li>\n
  • \u5361\u56de\u6280\u672f\u53ef\u5728\u6b63\u5e38\u8fd0\u884c\u671f\u95f4\u4fdd\u6301\u8f83\u9ad8\u7684\u9694\u79bb\u7535\u538b\uff0c\u5e76\u5728 ESD \u5e94\u529b\u671f\u95f4\u964d\u4f4e\u94b3\u4f4d\u7535\u538b<\/li>\n
  • IEC 61000-4-2 4 \u7ea7 ESD \u4fdd\u62a4\uff1a\u6240\u6709\u53d7\u4fdd\u62a4\u7ebf\u8def\u7684 \u00b110-kV \u63a5\u89e6\u653e\u7535<\/li>\n
  • IEC 61000-4-5 \u6d6a\u6d8c\u989d\u5b9a\u503c\uff1a3-A \u5cf0\u503c\u8109\u51b2\u7535\u6d41\uff088\/20 \u79d2\uff09<\/li>\n
  • \u76f4\u901a\u5f0f\u5f15\u811a\u6620\u5c04\u5b9e\u73b0\u4e86 USB \u8fde\u63a5\u5668\u9644\u8fd1\u7684\u96f6\u989d\u5916\u503e\u659c PCB \u5e03\u5c40<\/li>\n
  • \u652f\u6301\u8d85\u8fc7 480 Mbps \u7684\u6570\u636e\u4f20\u8f93\u901f\u7387\uff0c\u5b8c\u5168\u7b26\u5408 USB 2.0 \u9ad8\u901f\u6807\u51c6<\/li>\n
  • \u7b26\u5408 RoHS \u89c4\u8303\uff0c\u91c7\u7528 NiPdAu \u94c5\u6d82\u5c42\uff1bMSL-1 \u65e0\u9650\u5236\u5730\u677f\u5bff\u547d<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • \u5e26 USB \u5145\u7535\u548c\u6570\u636e\u4f20\u8f93\u529f\u80fd\u7684\u624b\u673a\u548c\u667a\u80fd\u624b\u673a<\/li>\n
    • \u6570\u7801\u76f8\u673a\u548c\u4fbf\u643a\u5f0f\u5a92\u4f53\u64ad\u653e\u5668<\/li>\n
    • \u5e26 USB \u63a5\u53e3\u7684 GPS \u5bfc\u822a\u8bbe\u5907<\/li>\n
    • \u4fbf\u643a\u5f0f\u6570\u5b57\u52a9\u7406\uff08PDA\uff09\u548c\u5e73\u677f\u7535\u8111<\/li>\n
    • \u652f\u6301 USB OTG \u7684\u7b14\u8bb0\u672c\u7535\u8111\u548c\u4fbf\u643a\u5f0f\u7535\u8111<\/li>\n
    • USB \u5145\u7535\u5668\u3001\u6269\u5c55\u575e\u548c\u8f66\u8f7d\u5957\u4ef6\u5916\u56f4\u63a5\u53e3<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TPD4S012DRYR is a four-channel Transient Voltage Suppressor (TVS) based ESD protection diode array manufactured by Texas Instruments, purpose-built for USB High-Speed, USB On-The-Go (OTG), and USB Charger interfaces. Encapsulated in a space-saving USON-6 (DRY) package measuring only 1.45 x 1.00 x 0.6 mm, it delivers IEC 61000-4-2 Level 4 ESD protection with […]<\/p>\n","protected":false},"author":2,"featured_media":2161,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,20],"tags":[],"chip_brand":[138],"class_list":["post-2156","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-integrated-circuits-ics","category-interface-ics","chip_brand-ti"],"acf":{"brief_explanation":"4-ch TVS ESD protection diode array, 0.8pF, 5.5V, +\/-10kV contact, 15V VBUS tolerant, USON-6 for USB HS\/OTG\/Charger","date_code":"","package_case":"USON-6 (DRY), 1.45 x 1.00 x 0.6 mm","in_stock":11401,"datasheet":"https:\/\/www.ti.com\/product\/TPD4S012","price":"$0.138 @ 1ku","product_introduction":"The TPD4S012DRYR is a four-channel Transient Voltage Suppressor (TVS) based Electrostatic Discharge (ESD) protection diode array manufactured by Texas Instruments, specifically engineered for USB High-Speed, USB On-The-Go (OTG), and USB Charger interfaces. In modern portable devices, the USB connector serves as the primary interface for high-speed data transfer, audio, charging, and car-kit connectivity. To accommodate these diverse functions, the USB port must tolerate varying voltage levels on different pins. The TPD4S012 resolves this challenge by integrating two distinct clamp architectures within a single chip: ultra-low-capacitance (0.8 pF) steering diodes for the high-speed signal lines (D+, D-, ID) and a higher-voltage tolerant clamp for the VBUS line that withstands up to 15 V continuously. This dual-clamp design leverages Texas Instruments' proprietary snap-back technology, which maintains a high standoff voltage under normal operating conditions and rapidly transitions to a lower clamp voltage during ESD stress events, providing robust transient protection without compromising signal quality. The device is packaged in a USON-6 (DRY) footprint of only 1.45 x 1.00 x 0.6 mm with flow-through pin mapping, enabling placement directly at the USB connector with minimal parasitic inductance and zero additional signal skew.","working_principle":"The TPD4S012DRYR employs two independent protection subsystems within a single monolithic device:\n\n1. High-Speed Signal Line Protection (D+, D-, ID): Each signal pin is connected to a steering-diode-based ESD clamp with typical capacitance of only 0.8 pF. During normal USB 2.0 High-Speed operation at 480 Mbps, this ultra-low capacitance introduces negligible signal attenuation and preserves the differential impedance matching required by the USB specification. When an ESD transient exceeding the breakdown voltage (6 V min) is applied, the clamp diodes conduct and route the surge current to ground. The snap-back mechanism then reduces the clamp voltage well below the breakdown threshold, offering a low dynamic resistance (1 ohm typical) that limits the voltage seen by the downstream transceiver.\n\n2. VBUS Line Protection: The VBUS pin integrates a separate ESD clamp with higher capacitance (11 pF typical) designed for power-line rather than high-speed signal protection. This clamp tolerates continuous DC voltages up to 15 V, accommodating non-standard charger voltages and USB OTG host-mode supply conditions. Its breakdown voltage is 20 V minimum, and the absolute maximum rating extends to 20 V. During an ESD or surge event on VBUS, the clamp activates and shunts transient energy to ground with the same snap-back behavior and 1-ohm dynamic resistance.\n\n3. Ground Return Path: All ESD clamp circuits share a common GND reference (Pin 4). The flow-through pin arrangement \u2014 signal inputs on one side and ground on the opposite side \u2014 creates a low-inductance return path that is critical for effective high-frequency ESD suppression. Proper PCB layout with a solid ground plane beneath the device further optimizes clamping performance.","pin_description":"\n
      Pin No.<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>\n
      1<\/td>D+<\/td>ESD Clamp<\/td>Provides ESD protection for the USB D+ high-speed differential data line. Ultra-low 0.8-pF capacitance preserves signal integrity at USB 2.0 High-Speed rates.<\/td><\/tr>\n
      2<\/td>D-<\/td>ESD Clamp<\/td>Provides ESD protection for the USB D- high-speed differential data line. Functionally identical to the D+ clamp; pins are interchangeable for routing convenience.<\/td><\/tr>\n
      3<\/td>ID<\/td>ESD Clamp<\/td>Provides ESD protection for the USB OTG ID pin. Same clamp characteristics as D+ and D- pins.<\/td><\/tr>\n
      4<\/td>GND<\/td>Power<\/td>Ground reference for all ESD clamp circuits. Must be connected to PCB ground plane for optimal clamping performance.<\/td><\/tr>\n
      5<\/td>N.C.<\/td>-<\/td>Not internally connected. This pin may be left floating or tied to ground.<\/td><\/tr>\n
      6<\/td>VBUS<\/td>ESD Clamp<\/td>Provides ESD and surge protection for the VBUS power line. Tolerates continuous DC voltage up to 15 V and provides IEC 61000-4-2 Level 4 protection on this line.<\/td><\/tr>\n<\/table>","application_scenarios":"
        \n
      • Cellular phones and smartphones: Protects USB data and charging ports against ESD events during handling and cable insertion<\/li>\n
      • Digital cameras and portable media players: Safeguards USB interface during data transfer and charging from external power adapters<\/li>\n
      • GPS navigation devices: Provides ESD protection for USB connectivity in automotive and outdoor environments<\/li>\n
      • Portable computers and tablets with USB OTG: Protects dual-role USB ports that alternate between host and device modes<\/li>\n
      • USB charger and docking stations: Shields VBUS line from voltage transients in charging and docking applications<\/li>\n<\/ul>","alternative_models":"\n
        Manufacturer<\/th>Part Number<\/th>Channels<\/th>Package<\/th>Key Notes<\/th><\/tr>\n
        Texas Instruments<\/td>TPD4S012YFPR<\/td>4<\/td>YFP (DSBGA-6, 1.43 x 0.89 mm)<\/td>Same functionality, different package option (chip-scale)<\/td><\/tr>\n
        Texas Instruments<\/td>TPD2E001<\/td>2<\/td>SOT-23-6<\/td>Lower channel count for 2-line USB interfaces<\/td><\/tr>\n
        Texas Instruments<\/td>TPD6F002<\/td>6<\/td>WCSP-12<\/td>Higher channel density for multi-port USB or HDMI applications<\/td><\/tr>\n
        Nexperia<\/td>PESD24VS1ULD,315<\/td>1<\/td>SOD-882D<\/td>Single-channel TVS alternative, higher breakdown voltage (26.5 V)<\/td><\/tr>\n
        Texas Instruments<\/td>TPD12S016<\/td>12<\/td>WQFN-24<\/td>12-channel ESD for advanced multi-protocol interface protection<\/td><\/tr>\n<\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2156","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=2156"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/2156\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media\/2161"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=2156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=2156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=2156"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=2156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}