silicon touch technology inc. ?W@^?I????? 9-7f-1 prosperity road i science-based industrial park hsinchu, taiwan 300, r.o.c. tel 886-3-5645656 fax 886-3-5645626 ST1151A version : a.004 issue date : 2004/09/03 file name : sp-ST1151A-a.004.doc total pages : 7 low-saturation, low-voltage 1.5 channel bi-directional motor driver
c???? silicon touch technology inc. ST1151A sp-ST1151A-a.004 version a.004 page 1 ST1151A low-saturation, low-voltage 1.5 channel bi-directional motor driver general specifications the device is a 1.5-channel lo w-saturation bi-directional moto r driver ic. th e design is optimal for motor applications, such as cameras, printers, fdds, or othe r portable devices with forward, reverse, bake and stand-by function. features and benefits z low voltage operation ( v dd min = v smin = 1.5v ) z low saturation voltage ( upper transistor + low transistor residua l voltage; 0.4v typ. at 300ma , v dd = v s = 3v) z low input current z brake function z high output sinking and driving capability z thin, highly reliable package (sop-8, msop8) pin assignment pin no. pin name description 1 vs power supply pin for output driver 2 o1 output sinking / driving pin 3 in3 input pin 3 that determines driving mode 4 gnd ground pin 5 in1 input pin 1 that determines driving mode 6 vdd power supply pin for controller. 7 in2 input pin 2 that determines driving mode 8 o2 output sinking / driving pin vdd in1 o1 in3 gnd in2 o2 vs
c???? silicon touch technology inc. ST1151A sp-ST1151A-a.004 version a.004 page 2 absolute maximum ratings ( unless otherwise noted, t a = 25 ) characteristic symbol rating unit v dd 5.5 v supply voltage v s 5.5 v input voltage v in v dd +0.4 v i o peak current i opeak 2 a i odc current i odc 0.75 a power dissipation(sop8) p d-sop 680 mw power dissipation(msop8) p d-msop 480 mw operating temperature range t opr -40 ~ 125 c storage temperature range t stg -65 ~ 150 c electrical characteristic (unless otherwise noted, t a = 25 & v dd = v s = 3v ) limit characteristic sym. condition min. typ. max. unit v dd 1.5 3 5.5 v supply voltage v s 1.5 3 5.5 v i dd0 v in1, in2, in3 = 0v 0.5 10 a supply current ( i dd + i s ) i dd1 v in1, in2, in3 = 3v 1 10 a in1 / in2 / in3 input terminal ( t j = 25 ) input voltage ?h? v ih - 0.8*v dd - v dd +0. 4 v input voltage ?l? v il - -0.4 - 0.2*v dd v input current ?h? i ih v in = v dd - - 5 a input current ?l? i il v in = 0 v - - 5 a o1 / o2 output terminal ( t j = 25 ) v out1 i out = 200 ma - 0.3 0.45 v v out2 i out = 300 ma - 0.5 0.7 v output voltage (upper + lower) v out3 i out = 600 ma - 0.9 1.0 v output sustaining voltage v o(sus) i out = 400 ma - - v s v
c???? silicon touch technology inc. ST1151A sp-ST1151A-a.004 version a.004 page 3 truth table input signal output driver in1 in2 in3 o1 o2 mode h l l h l m1forward l h l l h m1reverse h h l h h m1brake l l l off off standby h l h off h m2 operation l h h off l m2 operation h h h off h m2 operation block diagram & application circuit in1 5 6 1 2 8 7 4 3 control in2 in3 gnd o2 o1 vs vdd 1 f m1 m2 note. to select m2 operating, the external driver is required.
c???? silicon touch technology inc. ST1151A sp-ST1151A-a.004 version a.004 page 4 power dissipation-temperature 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 0 25 50 75 100 125 sop8 msop8 ambient temperature ( ) power dissipation ( mw ) application notes ? in multiple power supply application, the voltage of vdd pin must lager than or equal to the voltage of vs pin. ? the power dissipated by the ic varies widely with the supply voltage, the output current, and loading. it is important to ensure the a pplication does not exceed the allowable power dissipation of the ic package. the recomme nded motor driver power dissipation versus temperature is depicted as follows:
c???? silicon touch technology inc. ST1151A sp-ST1151A-a.004 version a.004 page 5 package specifications sop8 : st11151a_tsp1 dimensions in millimeter dimensions in inches symbol min nom max min nom max a 1.35 1.60 1.75 0.053 0.063 0.069 a 1 0.10 0.25 0.004 0.010 a 2 1.45 0.057 b 0.33 0.51 0.013 0.020 c 0.19 0.25 0.007 0.010 d 4.80 5.00 0.189 0.197 e 3.80 4.00 0.150 0.157 e 1.27 1.27 h 5.80 6.20 0.228 0.244 l 0.40 1.27 0.016 0.050 y 0.10 0.004 0 8 0 8 ( 8-pin sop ) d e h b a 1 e a a 2 7 (4x) c l y ST1151A xxxxxx * * the package marking ?xxxxxx? is a lot number and therefore being subject to change. msop8 : ST1151A_tms1 dimensions in millimeter dimensions in inches symbol min nom max min nom max a 0.81 0.92 1.07 0.032 0.036 0.042 a 1 0.00 0.10 0.000 0.004 a 2 0.76 0.86 0.97 0.030 0.034 0.038 b 0.15 0.20 0.30 0.006 0.008 0.012 c 0.13 0.15 0.23 0.005 0.006 0.009 d 2.90 3.00 3.10 0.114 0.118 0.122 e 4.80 4.90 5.00 0.189 0.193 0.197 e1 2.90 3.00 3.10 0.114 0.118 0.122 e 0.65 0.026 l 0.40 0.53 0.66 0.016 0.021 0.026 y 0.10 0.004 0 6 0 6 (8-pin msop ) d e1 e b a 1 e a a 2 12 (4x) c l y 1151a xxxx * * the lot number ?xxxx? in p roduct code will also be subject to change on the package marking.
c???? silicon touch technology inc. ST1151A sp-ST1151A-a.004 version a.004 page 6 the products listed herein are designed for ordinary electronic a pplications, such as electrical appliances, audio-visual equi pment, communications devices and so on. hence, it is advisable that the devices s hould not be used in medical instruments, surgical implants, aerospace machiner y, nuclear power control systems, disaster/crime-prevention equipment an d the like. misusing those products may directly or indirectly en danger human life, or cause injury and property loss. silicon touch technology, inc. will not ta ke any responsibilities regarding the misusage of the products mentioned a bove. anyone who purchases any products described herein with the above-mentioned inte ntion or with such misused applications should accept full responsibility and indemn ify. silicon touch technology, inc. and its distributors and all their of ficers and employees shall def end jointly and severally against any and all claims and litigation and a ll damages, cost and expenses associated with such intention and manipulation.
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