TPD1037BS 2007-03-28 1 toshiba intelligent power device silicon monolithic power mos ic TPD1037BS low-side switch for motor, solenoid and lamp drive TPD1037BS is a monolithic power ic for low-side switch. the ic has a vertical mosfet output which can be directly driven from a cmos or ttl logic circuit (e.g., an mpu). the ic offers intelligent self-protection functions. features ? a monolithic power ic with a new structure combining a control block and a vertical power mosfet ( -mos) on a single chip. ? can directly drive a power load from a cmos or ttl logic. ? built-in protection circuits against overvoltage, ov erheat, and overcurrent. ? low on-resistance. r ds (on) = 0.25 (max) (@v in = 5 v, t j = 25 c) ? package to-92 (mod) can be packed in tape. pin assignment note: that because of its mos st ructure, this product is sensitive to static electricity. block diagram weight: 0.36 g (typ.) marking side 2 1 3 gnd out in gnd overheat detection overcurrent detection/protection out in
TPD1037BS 2007-03-28 2 pin description pin no. symbol pin description 1 in input pin. this pin is connected to a pull-down resistor interna lly, so that even when input wiring is open-circuited, output can never be turned on inadvertently. 2 out output pin. if an inrush current flows (e.g., from a lamp), the current is clamped at 10 a (typ.) by an overcurrent protective circuit. also, a 150 s (typ.) mask circuit is included internally, so that if v ds 12 v (typ.) after this mask time, the current is clamped at 3 a (typ.) 3 gnd ground pin. timing chart current limiting current limiting output signal (output current) overheat detection v ds (v ds 12 v) overcurrent detection input signal
TPD1037BS 2007-03-28 3 truth table in v out mode l h h l normal l h h l overcurrent (during inrush) l h h l overcurrent (shorted load) l h h h overheat absolute maximum ratings (ta = 25c) characteristics symbol rating unit drain-source voltage v ds (dc) 40 v output current i d 1.5 a input voltage v in ? 0.5 to 6 v power dissipation (ta = 25 c) p d 0.9 w energy tolerance es/b 200 mj operating temperature t opr ? 40 to 85 c junction temperature t j 150 c note: using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this pr oduct to decrease in the reliability significantly even if the operating conditions (i.e. operat ing temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook (?handling precautions?/derating concept and methods) and indi vidual reliability data (i.e. reliability test report and estimated failure rate, etc).
TPD1037BS 2007-03-28 4 electrical characteristics (t j = 25c) characteristics symbol te s t circuit test condition min typ. max unit drain-source breakdown voltage v (br) dss ? v in = 0 v, i d = 10 ma 40 ? ? v high level input voltage v ih ? v ds = 10 to 40 v, i d = 1 a 3.5 5 6 v low level input voltage v il ? v ds = 10 to 40 v, i d = 10 a ? ? 0.8 v i dss (1) v in = 0 v, v ds = 40 v ? ? 100 current at output off i dss (2) ? v in = 0 v, v ds = 24 v ? ? 10 a input current i in ? v in = 5 v, at normal operation ? ? 300 a on-resistance r ds (on) ? v in = 5 v, i d = 1 a ? ? 0.25 overheat protection t s ? v in = 5 v ? 160 ? c i s (1) v ds = 24 v, v in = 5 v, during inrush ? 10 ? overcurrent protection i s (2) ? v ds = 24 v, v in = 5 v, when shorted load ? 3 ? a shorted load detection voltage v ds ? when shorted load ? 12 ? v t on ? 70 ? switching time t off 1 v ds = 24 v, v in = 5 v, r l = 24 ? 120 ? s diode forward voltage between drain and source v dsf ? i f = 1.5 a ? 0.9 1.8 v test circuit 1 switching time measuring circuit test circuit measured waveforms TPD1037BS in out gnd 24 24 v v p. g t on t off 10% 90% 10% 90% v in waveform v out waveform 5 v 24 v
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TPD1037BS 2007-03-28 7 package dimensions weight: 0.36 g (typ.)
TPD1037BS 2007-03-28 8 restrictions on product use ? toshiba corporation, and its subsidiaries and affiliates (collect ively ?toshiba?), reserve the right to make changes to the in formation in this document, and related hardware, software a nd systems (collectively ?product?) without notice. ? this document and any information herein may not be reproduc ed without prior written permission from toshiba. even with toshiba?s written permission, reproduction is permissible only if reproduction is without alteration/omission. ? though toshiba works continually to improve product?s quality a nd reliability, product can malfunction or fail. customers are responsible for complying with safety standards and for prov iding adequate designs and safeguards for their hardware, software and systems which minimize risk and avoid sit uations in which a malfunction or failure of product could cause loss of human life, b odily injury or damage to property, including data loss or corruption. before creating and producing des igns and using, customers mus t also refer to and comply with (a) the latest versions of all relev ant toshiba information, including without limitation, this docume nt, the specifications, the data sheets and applicat ion notes for product and the precautions and conditions set forth in the ?toshiba semiconductor reliability handbook? and (b) the instructions for the application that product will be used with or for. custome rs are solely responsible for all aspects of their own product design or applications, including but not limited to (a) determining th e appropriateness of the use of this product in such design or applications; (b) evaluating and det ermining the applicability of any information contained in this document, or in charts, diagrams, programs, algorithms, sample application circuits, or any other referenced documents; and (c) validating all operati ng parameters for such designs and applications. toshiba assumes no liability for customers? product design or applications. ? product is intended for use in general el ectronics applications (e.g., computers, personal equipment, office equipment, measur ing equipment, industrial robots and home electroni cs appliances) or for specif ic applications as expre ssly stated in this document . product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality a nd/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or se rious public impact (?unintended use?). unintended use includes, without limit ation, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equi pment used for automobiles, trains, ships and other transportation, traffic signalin g equipment, equipment used to control combustions or explosions, safety dev ices, elevators and escalato rs, devices related to el ectric power, and equipment used in finance-related fi elds. do not use product for unintended us e unless specifically permitted in thi s document. ? do not disassemble, analyze, reverse-engineer, alter, modify, translate or copy product, whether in whole or in part. ? product shall not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable laws or regulations. ? the information contained herein is pres ented only as guidance for product use. no re sponsibility is assumed by toshiba for an y infringement of patents or any other intellectual property rights of third parties that may result from the use of product. no license to any intellectual property right is granted by this document, whether express or implied, by estoppel or otherwise. ? absent a written signed agreement, except as provid ed in the relevant terms and conditions of sale for product, and to the maximum extent allowable by law, toshiba (1) assumes no liability wh atsoever, including without limitation, indirect, co nsequential, special, or incidental damages or loss, including without limitation, loss of profit s, loss of opportunities, business interruption and loss of data, and (2) disclaims any and all express or implied warranties and conditions related to sale, use of product, or information, including warranties or conditions of merchantability, fitness for a particular purpose, accuracy of information, or noninfringement. ? do not use or otherwise make available product or related so ftware or technology for any m ilitary purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technolog y products (mass destruction weapons). product and related softwa re and technology may be controlled under the japanese foreign exchange and foreign trade law and the u.s. export administration regulations. export and re-export of product or related softw are or technology are strictly prohibited except in comp liance with all applicable export laws and regulations. ? please contact your toshiba sales representative for details as to environmental matters such as the rohs compatibility of pro duct. please use product in compliance with all applicable laws and regula tions that regulate the inclusion or use of controlled subs tances, including without limitation, the eu rohs directive. toshiba assumes no liability for damages or losses occurring as a result o f noncompliance with applicable laws and regulations.
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