The TPS2034DR is a Texas Instruments 2.2-A, 2.7-5.5 V single-channel USB power distribution switch with a 33-m\u03a9 N-channel MOSFET high-side switch. It features short-circuit and thermal protection, overcurrent logic output, undervoltage lockout, and active-high enable. The device is packaged in an 8-pin SOIC and operates from -40\u00b0C to +125\u00b0C.<\/p>\n
| Current Limit<\/td>\n | 3 A peak, 2.2 A continuous<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| On Resistance<\/td>\n | 33 m\u03a9 (5 V input)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Tensi\u00f3n de alimentaci\u00f3n<\/td>\n | 2.7 V to 5.5 V<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Rise Time<\/td>\n | 6.1 ms (typical)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Standby Current<\/td>\n | 10 \u00b5A (max)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| ESD Protection<\/td>\n | 2 kV HBM<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||
| Paquete<\/td>\n | 8-Pin SOIC<\/td>\n<\/tr>\n<\/table>\nCaracter\u00edsticas<\/h2>\nAplicaciones<\/h2>\nProduct Overview The TPS2034DR is a Texas Instruments 2.2-A, 2.7-5.5 V single-channel USB power distribution switch with a 33-m\u03a9 N-channel MOSFET high-side switch. It features short-circuit and thermal protection, overcurrent logic output, undervoltage lockout, and active-high enable. The device is packaged in an 8-pin SOIC and operates from -40\u00b0C to +125\u00b0C. Key Specifications Current Limit […]<\/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":[13,29],"tags":[],"chip_brand":[138],"class_list":["post-8712","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-power-management-ics-pmic","chip_brand-ti"],"acf":{"brief_explanation":"2.2A USB power switch, 33-m\u03a9, 2.7-5.5V, active-high enable, overcurrent output, 8-pin SOIC","date_code":"","package_case":"8-Pin SOIC (4.9 x 3.9 x 1.27 mm)","in_stock":10870,"datasheet":"https:\/\/www.ti.com\/lit\/ds\/symlink\/tps2030.pdf","price":"$1.088 @ 1ku","product_introduction":"The TPS2034DR is a Texas Instruments power distribution switch intended for USB applications where heavy capacitive loads and short circuits are likely. It features a 33-m\u03a9 N-channel MOSFET high-side power switch controlled by a logic-level enable input compatible with 5-V and 3-V logic. An internal charge pump controls rise and fall times to minimize current surges. When the output load exceeds the 3-A current limit threshold, the device limits current and pulls the overcurrent (OC) output low. Thermal protection shuts off the switch if junction temperature rises excessively. Undervoltage lockout ensures the switch remains off until valid input voltage is present.","working_principle":"The TPS2034DR operates as a high-side power switch with three subsystems: (1) The charge pump generates gate drive voltage for the N-channel MOSFET from the 2.7-5.5 V supply, enabling the low 33-m\u03a9 on-resistance. The charge pump also controls the rise and fall times (~6.1 ms) to limit inrush current when switching into capacitive loads. (2) The current limit circuit monitors output current and transitions to constant-current mode at 3 A, pulling the open-drain OC output low to signal the fault condition. (3) The thermal protection circuit monitors junction temperature and shuts off the switch if it exceeds the safe operating limit, with automatic recovery once the device cools. Undervoltage lockout keeps the switch off when input voltage is below the 2.2 V threshold.","pin_description":"
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