{"product_id":"ir2103s-smd-half-bridge-mosfet-driver-ic-soic-8-in-pakistan","title":"IR2103S SMD Half-Bridge MOSFET Driver IC SOIC-8 for Inverter and Motor Driver","description":"\u003cp\u003e\u003cstrong\u003eThe IR2103S is a half-bridge MOSFET and IGBT gate driver IC in an 8-pin SMD (SOIC-8) package.\u003c\/strong\u003e It drives two N-channel MOSFETs or IGBTs in a half-bridge: one low-side and one high-side switch whose floating supply can sit up to 600V above ground, powered by a simple bootstrap diode and capacitor. It is the surface-mount version of the IR2103, with the same pinout as the DIP-8 part.\u003c\/p\u003e\n\u003cp\u003eIt is widely used in inverter, UPS, DC motor driver, H-bridge and SMPS boards. The logic inputs accept 3.3V, 5V or 15V signals, so it connects directly to an Arduino, ESP32, STM32 or PIC microcontroller, or to an SPWM chip.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e⚡ \u003cstrong\u003e600V high-side floating channel\u003c\/strong\u003e – drives the top MOSFET of a half-bridge using bootstrap operation, no isolated supply needed.\u003c\/li\u003e\n\u003cli\u003e🔧 \u003cstrong\u003e10–20V gate drive supply\u003c\/strong\u003e – suits standard MOSFETs and IGBTs.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3.3V, 5V and 15V logic compatible\u003c\/strong\u003e – works straight from microcontroller pins.\u003c\/li\u003e\n\u003cli\u003e🛡️ \u003cstrong\u003eBuilt-in shoot-through protection\u003c\/strong\u003e – cross-conduction prevention logic and an internal dead time of about 520 ns stop both switches turning on together.\u003c\/li\u003e\n\u003cli\u003e🔋 \u003cstrong\u003eUndervoltage lockout\u003c\/strong\u003e – outputs switch off if VCC falls below about 8.2V, protecting MOSFETs from weak gate drive.\u003c\/li\u003e\n\u003cli\u003e📏 \u003cstrong\u003eSMD SOIC-8 package\u003c\/strong\u003e – small footprint for compact, machine-assembled boards.\u003c\/li\u003e\n\u003cli\u003e🔁 \u003cstrong\u003edV\/dt immune and tolerant to negative transients\u003c\/strong\u003e on the VS pin.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIR2103S Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart number\u003c\/td\u003e\n\u003ctd\u003eIR2103S (SMD version of IR2103)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eHalf-bridge MOSFET \/ IGBT gate driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSOIC-8 (SO-8), surface mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-side offset voltage (VOFFSET)\u003c\/td\u003e\n\u003ctd\u003e600V max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGate drive supply (VCC, VBS)\u003c\/td\u003e\n\u003ctd\u003e10–20V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC absolute maximum\u003c\/td\u003e\n\u003ctd\u003e25V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput current, source \/ sink\u003c\/td\u003e\n\u003ctd\u003e130 mA \/ 270 mA min (210 mA \/ 360 mA typ.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic input\u003c\/td\u003e\n\u003ctd\u003eHIN in phase with HO, LIN inverted (out of phase with LO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic high \/ low threshold\u003c\/td\u003e\n\u003ctd\u003e3V min \/ 0.8V max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTurn-on \/ turn-off delay\u003c\/td\u003e\n\u003ctd\u003e680 ns \/ 150 ns typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRise \/ fall time\u003c\/td\u003e\n\u003ctd\u003e100 ns \/ 50 ns typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal dead time\u003c\/td\u003e\n\u003ctd\u003e520 ns typ. (400–650 ns)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUndervoltage lockout (VCC)\u003c\/td\u003e\n\u003ctd\u003e8.9V on \/ 8.2V off typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower dissipation (SOIC-8)\u003c\/td\u003e\n\u003ctd\u003e0.625 W at 25 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating ambient temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to +125 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody size\u003c\/td\u003e\n\u003ctd\u003e4.8–5.0 × 3.8–4.0 mm, 1.27 mm pin pitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIR2103S Pinout\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePin\u003c\/th\u003e\n\u003cth\u003eName\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003eLow-side and logic supply (10–20V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003eHIN\u003c\/td\u003e\n\u003ctd\u003eHigh-side logic input, in phase with HO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003eLIN (inverted)\u003c\/td\u003e\n\u003ctd\u003eLow-side logic input, out of phase with LO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003eCOM\u003c\/td\u003e\n\u003ctd\u003eGround \/ low-side return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003eLO\u003c\/td\u003e\n\u003ctd\u003eLow-side gate drive output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003eVS\u003c\/td\u003e\n\u003ctd\u003eHigh-side floating supply return (half-bridge midpoint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003eHO\u003c\/td\u003e\n\u003ctd\u003eHigh-side gate drive output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003eVB\u003c\/td\u003e\n\u003ctd\u003eHigh-side floating supply (bootstrap capacitor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIR2103 vs IR2104 vs IR2110\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eIR2103S\u003c\/th\u003e\n\u003cth\u003eIR2104\u003c\/th\u003e\n\u003cth\u003eIR2110\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003eHIN + inverted LIN\u003c\/td\u003e\n\u003ctd\u003eSingle IN + shutdown (SD)\u003c\/td\u003e\n\u003ctd\u003eIndependent HIN and LIN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDead time\u003c\/td\u003e\n\u003ctd\u003eInternal, ~520 ns\u003c\/td\u003e\n\u003ctd\u003eInternal, ~520 ns\u003c\/td\u003e\n\u003ctd\u003eNone, set in your controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput current\u003c\/td\u003e\n\u003ctd\u003e210 \/ 360 mA typ.\u003c\/td\u003e\n\u003ctd\u003e210 \/ 360 mA typ.\u003c\/td\u003e\n\u003ctd\u003e2 A \/ 2 A typ.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eHalf-bridge with two PWM pins\u003c\/td\u003e\n\u003ctd\u003eHalf-bridge with one PWM pin\u003c\/td\u003e\n\u003ctd\u003eLarge MOSFETs and IGBTs, fast switching\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eNeed the through-hole version? See the \u003ca href=\"\/products\/ir2103-half-bridge-driver\"\u003eIR2103 DIP-8 half-bridge driver\u003c\/a\u003e. Also available: \u003ca href=\"\/products\/dip-8-gate-driver-ic-chip-ir2104-in-pakistan\"\u003eIR2104 DIP-8 gate driver\u003c\/a\u003e and \u003ca href=\"\/products\/ir2110-smd-mosfet-driver-integration-soic-16\"\u003eIR2110 SMD MOSFET driver\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the IR2103 used for?\u003c\/h3\u003e\n\u003cp\u003eThe IR2103 drives the two MOSFETs or IGBTs of a half-bridge, the switching stage in inverters, UPS, motor drivers, H-bridges and switch-mode power supplies. Two IR2103 ICs make a full H-bridge.\u003c\/p\u003e\n\u003ch3\u003eWhat is the difference between IR2103 and IR2103S?\u003c\/h3\u003e\n\u003cp\u003eThey are electrically the same chip with the same pinout. The IR2103 is the through-hole DIP-8 package; the IR2103S is the surface-mount SOIC-8 package.\u003c\/p\u003e\n\u003ch3\u003eCan I drive the IR2103S from an Arduino or ESP32?\u003c\/h3\u003e\n\u003cp\u003eYes. The inputs are 3.3V, 5V and 15V logic compatible (logic high is 3V minimum), so microcontroller pins connect directly. VCC still needs 10–20V for the gate drive.\u003c\/p\u003e\n\u003ch3\u003eWhy is the LIN pin inverted?\u003c\/h3\u003e\n\u003cp\u003eOn the IR2103, the low-side output is out of phase with LIN: LO is on when LIN is low. Together with the internal dead time, this stops the high-side and low-side switches conducting at the same time.\u003c\/p\u003e\n\u003ch3\u003eWhy are my outputs not switching?\u003c\/h3\u003e\n\u003cp\u003eCheck that VCC is above about 9V, since undervoltage lockout keeps the outputs off below that. For the high side, fit a fast bootstrap diode from VCC to VB and a bootstrap capacitor between VB and VS.\u003c\/p\u003e\n\n\u003ch2\u003ePackage Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × IR2103S half-bridge driver IC, SOIC-8 SMD\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOrder the IR2103S SMD MOSFET driver IC from Digilog.pk with delivery across Pakistan.\u003c\/p\u003e","brand":"China","offers":[{"title":"Default Title","offer_id":67650039415062,"sku":null,"price":275.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/0764\/1366\/files\/ir2103s-smd-half-bridge-mosfet-driver-ic-soic-8-for-inverter-and-motor-driver-1.jpg?v=1791192439","url":"https:\/\/digilog.pk\/products\/ir2103s-smd-half-bridge-mosfet-driver-ic-soic-8-in-pakistan","provider":"digilog.pk","version":"1.0","type":"link"}