{"id":3823,"date":"2026-06-08T04:19:33","date_gmt":"2026-06-08T04:19:33","guid":{"rendered":"https:\/\/materialparts.com\/tbd62083afwgzehz\/"},"modified":"2026-06-08T04:19:33","modified_gmt":"2026-06-08T04:19:33","slug":"tbd62083afwgzehz","status":"publish","type":"post","link":"https:\/\/materialparts.com\/zh\/tbd62083afwgzehz\/","title":{"rendered":"TBD62083AFWG(ZEHZ"},"content":{"rendered":"

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

The TBD62083AFWG(ZEHZ from Toshiba is an 8-channel DMOS transistor array (Darlington sink driver) in SOL-18 package, with 50V\/500mA per channel and 2.7kOhm input resistors for TTL\/5V CMOS compatibility. The ZEHZ suffix denotes a specific packaging and shipping configuration.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u7c7b\u578b<\/td>\n8-Channel DMOS Transistor Array (Sink Driver)<\/td>\n<\/tr>\n
Output Voltage (max)<\/td>\n50V<\/td>\n<\/tr>\n
Output Current (max per ch)<\/td>\n500mA @ Ta=25C<\/td>\n<\/tr>\n
\u8f93\u5165\u7535\u538b\u8303\u56f4<\/td>\n2.5V to 25V (output on, IOUT>=100mA)<\/td>\n<\/tr>\n
Input Resistance<\/td>\n2.7 kOhm (TTL\/5V CMOS compatible)<\/td>\n<\/tr>\n
Clamp Diode Current<\/td>\n400mA (max)<\/td>\n<\/tr>\n
Output Leakage<\/td>\n1.0uA (max @ VOUT=50V, Ta=85C)<\/td>\n<\/tr>\n
Turn-On Delay<\/td>\n0.4 us (typical)<\/td>\n<\/tr>\n
Turn-Off Delay<\/td>\n0.8 us (typical)<\/td>\n<\/tr>\n
\u529f\u7387\u8017\u6563<\/td>\n1.31 W<\/td>\n<\/tr>\n
\u5305\u88c5<\/td>\nSOL-18 (P-SOP18-0812-1.27-001)<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-40 to +85 C<\/td>\n<\/tr>\n
ZEHZ Suffix<\/td>\nSpecific packaging\/shipping code<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 8-channel DMOS sink driver with 2.7kOhm input resistors<\/li>\n
  • TTL\/5V CMOS compatible input<\/li>\n
  • Integrated clamp diodes for inductive load protection<\/li>\n
  • 50V\/500mA per channel rating<\/li>\n
  • Direct replacement for ULN2803A in many applications<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • Relay and solenoid driver arrays<\/li>\n
    • LED display and matrix driving<\/li>\n
    • Stepper motor driving<\/li>\n
    • Printer head driver<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The TBD62083AFWG(ZEHZ from Toshiba is an 8-channel DMOS transistor array (Darlington sink driver) in SOL-18 package, with 50V\/500mA per channel and 2.7kOhm input resistors for TTL\/5V CMOS compatibility. The ZEHZ suffix denotes a specific packaging and shipping configuration. Key Specifications Type 8-Channel DMOS Transistor Array (Sink Driver) Output Voltage (max) 50V Output Current […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,13],"tags":[],"chip_brand":[169],"class_list":["post-3823","post","type-post","status-publish","format-standard","hentry","category-gate-driver-ics","category-integrated-circuits-ics","chip_brand-toshiba"],"acf":{"brief_explanation":"8-ch DMOS sink driver, 50V\/500mA, 2.7kOhm input, SOL-18, ZEHZ package variant","date_code":"","package_case":"SOL-18 (P-SOP18-0812, 11.5 x 7.5 x 2.1 mm, 1.27mm pitch)","in_stock":6878,"datasheet":"https:\/\/toshiba-semicon-storage.com\/cn\/semiconductor\/product\/linear-ics\/transistor-arrays\/detail.TBD62083AFWG.html","price":"$0.60 @ 1ku (LCSC)","product_introduction":"The TBD62083AFWG(ZEHZ from Toshiba is the ZEHZ packaging variant of the TBD62083AFWG 8-channel DMOS transistor array. The ZEHZ suffix indicates a specific tape-and-reel packaging and shipping configuration, while the electrical specifications are identical to the base TBD62083AFWG product. The TBD62083AFWG is an 8-channel Darlington-type sink driver using DMOS (Double-Diffused MOS) output transistors instead of traditional bipolar Darlington pairs. The DMOS output structure provides several advantages over bipolar Darlington drivers like the ULN2803A: lower output saturation voltage (reducing power dissipation), no output leakage current increase with temperature (bipolar Darlingtons suffer from thermal leakage), and faster switching speed. The 2.7kOhm input resistors make the device directly compatible with 5V TTL and CMOS logic levels without additional series resistors, enabling direct connection from MCU GPIO pins. Each channel can sink up to 500mA at up to 50V, and the integrated clamp diodes provide protection against inductive kickback from relay coils and solenoids. The TBD62083A is the 2.7kOhm input version (TTL\/5V CMOS compatible), while the TBD62084A is the 10.5kOhm input version (6V-15V PMOS\/CMOS compatible).","working_principle":"The TBD62083AFWG(ZEHZ operates as an 8-channel open-drain sink driver with DMOS output transistors. Key subsystems include: (1) Input Stage - each channel has a 2.7kOhm series input resistor that limits the input current; when a logic HIGH (2.5V-25V) is applied to the input pin, current flows through the resistor into the internal drive circuit, turning on the DMOS output transistor; the 2.7kOhm value is optimized for 5V TTL\/CMOS drive levels; at 5V input, approximately 1.1mA flows into the input pin; at 3.3V, approximately 0.6mA flows, which is still sufficient to turn on the output; (2) DMOS Output - each channel uses an N-channel DMOS transistor as the output switch; unlike bipolar Darlingtons, the DMOS transistor has a resistive saturation characteristic (RDS(on)) rather than a fixed VCE(sat); this means the voltage drop across the output is proportional to current (Vdrop = ID x RDS(on)), resulting in lower power dissipation at moderate currents; the DMOS structure also eliminates the base current leakage path present in bipolar Darlingtons, reducing quiescent current; (3) Clamp Diodes - each output has an integrated diode connected to the COM pin that clamps inductive kickback voltages when driving relays, solenoids, or motors; the COM pin must be connected to the positive supply rail of the inductive load to provide a return path for the clamp current; the clamp diodes are rated for 400mA peak current; (4) Thermal Protection - the device relies on external thermal management (PCB copper area) for power dissipation; the 1.31W power rating assumes adequate PCB heat sinking.","pin_description":"
      Pin<\/th>Name<\/th>Function<\/th><\/tr>
      1-8<\/td>IN1-IN8<\/td>Input pins (active high, 2.7kOhm series resistance)<\/td><\/tr>
      9<\/td>GND<\/td>Ground<\/td><\/tr>
      10<\/td>COM<\/td>Clamp diode common (connect to load supply)<\/td><\/tr>
      11-18<\/td>OUT8-OUT1<\/td>Output pins (open-drain, active low sink)<\/td><\/tr><\/table>","application_scenarios":"
      • 8-channel relay driver: each output drives a 24V relay coil (approx 30mA each), COM connected to 24V supply for clamp protection, MCU GPIO directly drives inputs through 2.7kOhm resistors<\/li>
      • LED matrix: 8 outputs sink current through 8 LED columns, constant current set by external resistors, DMOS outputs switch faster than bipolar for multiplexed displays<\/li>
      • Stepper motor: 4 channels drive unipolar stepper motor, 4 channels spare for other loads, 500mA per channel sufficient for small NEMA17 stepper<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        Toshiba<\/td>TBD62083AFWG<\/td>SOL-18<\/td>Same device, standard packaging<\/td><\/tr>
        Toshiba<\/td>TBD62084AFWG<\/td>SOL-18<\/td>10.5kOhm input (6-15V PMOS\/CMOS)<\/td><\/tr>
        TI<\/td>ULN2803ADW<\/td>SOIC-18<\/td>Bipolar Darlington, 50V\/500mA, pin-compatible<\/td><\/tr>
        onsemi<\/td>MC1413DG<\/td>SOIC-16<\/td>7-channel Darlington, similar function<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3823","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=3823"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/posts\/3823\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/media?parent=3823"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/categories?post=3823"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/tags?post=3823"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=3823"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}