type 10407 actuator driver with serial link standard product july 9, 1997 page 1, rev 4 features * supply voltage up to 12 v. * interface directly with 5 v cmos logic p. * serial link. * can drive two actuators 360 three actuators 90 * open circuit or short circuit detection of the drivers outputs. * small size (so24 package). the 10407 is a p peripheral for logometers contro l using sin/cos pwm commands. the circuit controls two independant sets of cmos power bridges . a ten bits angle is displayed with a 9 bits per quadrant resolution pwm whose frequency is set by a crystal oscillator. a power-on self test detects o pen or short-circuits outputs for each logometer and a rea l time angle tracking avoids display errors. the 10407 can also drive three small angle logomete rs (90). the communication with the p is done via a three wires serial link. the 10407 outputs an error status on a special pin. ordering code product code temperature code package code optio n code packing form code mlx10407 e df aaa-000 re legend : temperature code: e for temperature range -40c to 85c package code: df for soic300mil packing form: re for reel ordering example: mlx10407edf-aaa-000-re p o r serial link osc rom seq logic buf 1 buf 2 rst vcc gnd sclk cs din osci osco err sin1m sin1p fig 1. block diagram. cos1m cos1p sin2m sin2p cos2m cos2p ver gnd out6 out5 out7 small angle test vcc
type 10407 actuator driver with serial link standard product july 9, 1997 page 2, rev 4 pinning. pin 1 : vcc pin 2 : sin1p, output buffer (coil 1 logo1 ) pin 3 : sin1m, output buffer (coil 1 logo1 ) pin 4 : vss pin 5 : cos1p, output buffer (coil 2 logo1 ) pin 6 : cos1m, output buffer (coil 2 logo1 ) pin 7 : out5, output buffer ( logo 3 ) pin 8 : out6, output buffer ( logo 4 ) pin 9 : out7, output buffer ( logo 5 ) pin 10 : vcc pin 11 : cs, chip select ( schmitt trigger with 300k pull-down ) pin 12 : sclk, serial clock ( schmitt trigger ) pin 13 : din, data in ( scmitt trigger ) pin 14 : test input. (1k pull-down) pin 15 : rstb, external reset ( schmitt trigger ) pin 16 : errb, quadrant error output ( open drain ) pin 17 : ver, quadrant verification inhibit pin 18 : osco, crystal oscillator output pin 19 : osci, crystal oscillator input pin 20 : cos2m, output buffer (coil 2 logo2 ) pin 21 : cos2p, output buffer (coil 2 logo2 ) pin 22 : vss pin 23 : sin2m, output buffer (coil 1 logo2 ) pin 24 : sin2p, output buffer (coil 1 logo2 ) fig.2 pinning diagram. vss rst 12 3 4 5 6 7 8 13 14 15 16 10407 so24 package din 9 10 17 18 19 20 ver sin2p sin2m err cos2p osci cos2m osco vcc sin1p sin1m vss cos1p cos1m cs sclk test out5 11 12 out7 out6 21 22 23 24 vcc
type 10407 actuator driver with serial link standard product july 9, 1997 page 3, rev 4 operation. 1) logometers 360 immediately after a reset, the i.c. checks if there is any short-circuit or open circuit on each buffe r driver output (this test is not made for outputs 5,6 7). f or this test, each buffer is held in a high impedan ce state and large internal resistances (100k ) are sequentially connected on each pair of buffer s (note : the actuator coil must be connected on each bridge). three tests are done (see fig 3.) condition test for : test 1 s1 closed, s2 open v1 = vss test 2 s1 closed, s2 closed v1 = vcc/2 test 3 s1 open, s2 closed v1 = vcc during the tests the pin errb (16) is at logic leve l 0. then after the tests have been done errb stays at 0 if one (or more) test fails or changes to high impedan ce state if every thing is ok. these tests last approximately 4 ms with an oscilla tor clock frequency of 8 mhz. after the test all buffers are at vss. the i.c. wa its for the p to send an angle/quadrant value and then outputs a pwm signal on every buffer. every logomet er coil is connected in a bridge, so the current ic oil can be either positive or negative. the total drop-out of a bridge is : v d = | v cc - v coil | the four bridges have the same drop-out for the sam e current i coil . 2) logometers 90 there are three different pwm outputs for logo 3, logo 4, logo 5. vcc coil vss out1p out1m (hi z) (hi z) fig 3. test for short-circuits and open circuits. r1 r2 s1 s2 v1 coil out1p out1m fig 4. one bridge. icoil vcoil
type 10407 actuator driver with serial link standard product july 9, 1997 page 4, rev 4 serial link. the p outputs the serial clock sclk, the chip sel ect cs, the data din, and receives from the i.c. the error status on pin errb(16). the data sent by the p are latched by the 10407 on the rising edge of sclk. the 10407 outputs an error status on pin errb (16) on the falling edge of sclk. when cs = "0" the serial interface of the 10407 is inactive. when cs goes high the 10407 waits for a start bit and then reads the following 15 bits tran smitted by the p (see fig 4.) the start bit (d 0 ) must be "1". the following three bits (d 1 d 2 d 3 ) are the operation code for the 10407 : d 1 d 2 d 3 = 001 ? writing request logo1 d 1 d 2 d 3 = 011 ? writing request logo2 d 1 d 2 d 3 = 100 ? writing request logo3 d 1 d 2 d 3 = 110 ? writing request logo4 d 1 d 2 d 3 = 101 ? writing request logo5 any other codes are reserved for test and will hav e no effect in normal operation mode. the following 10 bits (d 4 d 5 d 6 d 7 d 8 d 9 d 10 d 11 d 12 d 13 ) are the value of the angle (d 4 = msb, d 13 = lsb). the following two bits (d 14 d 15 ) represent the quadrant (d 14 =msb). note : for logo1 & 2 only. sclk cs 1 10 bits angle 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 z quad codop "0" if error z din errb fig 5. timing diagram serial link. the 10407 outputs an error status on pin errb (16) on the falling edge of sclk immediately following the transmission of the quadrant lsb. the pin 16 (errb) of the 10407 is driven low if th ere is no continuity between two consecutive quadrant values sent (for logo1 or logo2). the data is valid till cs is high, then when cs goes low er rb returns to high impedance state and the error statu s is lost. if the p has detected an error, it is possible to send data again : the first bit "1" will initiate a new transmission of 15 data bits. on the high to low transition of cs the values of a ngle and quadrant are stored into the internal registers of the 10407 if : - the p sent a writing request, - no quadrant error was detected by the 10407. otherwise new values of angle and quadrant are not taken into account by the 10407 and the previous values are kept. the p must initialize a new transmission with the 10407.
type 10407 actuator driver with serial link standard product july 9, 1997 page 5, rev 4 it is possible to make the 10407 store all values o f angles and quadrant even if there is an error if the pin 17 (ver) is connected to gnd.
type 10407 actuator driver with serial link standard product july 9, 1997 page 6, rev 4 pwm generation. 1) logometers 360 ( logo 1 and logo 2 ) : from the angle value received from the p (range [0 - 89.8]) the 10407 generates two pwm (9 bits resolution) : - the first one represents the sinus pwmsin, - the second one is the cosinus pwmcos. the 10407 uses a rom 512x9 which contains the sinu s of any angle in the range [0 - 89.8] (note that the lsb value of the angle is not used). a value of angle greater than 90 is obtained using different quadrant values : q1 (d 14 d 15 = 00) ? 0 < 90 q2 (d 14 d 15 = 01) ? 90 < 180 q3 (d 14 d 15 = 10) ? 180 < 270 q4 (d 14 d 15 = 11) ? 270 < 360 the pwm are switched to the outputs depending on th e value of the quadrant : quadrant d 14 d 15 sin1m sin1p cos1m cos1p 0 0 0 pwmsin 0 pwmcos 0 1 0 pwmcos pwmsin 0 1 0 pwmsin 0 pwmcos 0 1 1 pwmcos 0 0 pwmsin logometer 1 is driven by outputs sin1m/p cos1m/p, logometer 2 is driven by outputs sin2m/p cos2m/p. the pwm frequency is given by : f pwm = f osc / 512 (f osc = crystal oscillator frequency) 2) logometers 90 (logo1, logo2, logo3) : the value transmitted by the p is directly the pw m value (d 4 d 5 d 6 d 7 d 8 d 9 d 10 d 11 d 12 ), d4 is msb and d12 lsb. d13 and quad bits (d14,d15) are not used. q1 ++ q2 -+ q3 -- 270 180 90 0 q4 +- fig 6. quadrants and pwm sign.
type 10407 actuator driver with serial link standard product july 9, 1997 page 7, rev 4 absolute maximum ratings. parameter symbol min. max. unit storage temperature range operating temperature range supply voltage range (pin 1) input voltage range t stg t amb v cc v i -40 -40 -0.3 -0.3 +150 +85 14.0 v cc + 0.3 c c v v
type 10407 actuator driver with serial link standard product july 9, 1997 page 8, rev 4 electrical characteristics. tamb = -40 to 85c, vcc = 5 v to 12 v unless otherw ise specified. parameter conditions symbol min. typ. max. unit supply current inputs at vcc or vss no loads on outputs vcc=8.5v t=25c i cc 5.5 ma maximum power dissipation p dmax 620 mw inputs input capacitance cin 10 pf pin 11 pull-down resistance r pd 125 750 k input voltage low v il -0.3 1 v input voltage high v ih 4 v cc +0.3 v hysteresis vcc = 8.5 v v hys 0.5 2.5 v leakage current pin at v cc or v ss i l - 1 1 a pin 12,13,14,15,17 input voltage low v il - 0.3 1 v input voltage high v ih 4 v cc +0.3 v hysteresis vcc = 8.5 v v hys 0.5 2.5 v leakage current (p12,15,17) pin at v cc or v ss i l -1 1 a pull-down resistance (p14) r pd 0.8 1.5 k outputs pin 16 low level output voltage i out < 500 a v ol 0.3 v high level output leakage current v out = v cc i lkg 10 a pin 2,3,5,6,20,21,23,24 drop-out voltage for each pair of buffers v cc = 8.5v, tamb = 25c i coil = 30 ma, see fig. 4 vd 1.6 v mismatch of drop - out voltage v cc = 8.5v, tamb = 25c i coil = 30 ma, see fig. 4 ? vd 50 mv pin 7,8,9 output voltage low vcc = 8.5v, tamb = 25c i sink = 40ma v ol 0.6 1.0 v output voltage high vcc = 8.5v, tamb=25c i source = 40ma v oh 6.8 7.8 v oscillator pin 18,19 input pin capacitance cin 10 20 pf
type 10407 actuator driver with serial link standard product july 9, 1997 page 9, rev 4 clock frequency f clk 8 mhz ac electrical characteristics. parameter value unit maximum sclk input frequency setup time din to sclk rising hold time din to sclk rising setup time cs high to sclk rising 500 100 100 100 khz ns ns ns application schematic. vss rst 1 2 3 4 5 6 11 12 15 16 17 18 19 20 din vcc 13 10 21 22 23 24 cos2p cos2m err cos1m osci cos1p osco vcc sin1p sin1m vss sin2m sin2p cs sclk ? p vcc logo2 rpup fig 7. typical application +5v 8mhz * ver * load capacitances are internal out6 8 9 test out5 14 7 out7 logo5 logo4 logo3 logo1
type 10407 actuator driver with serial link standard product july 9, 1997 page 10, rev 4 disclaimer devices sold by melexis are covered by the warranty and pa tent indemnification provisions appearing in its term of sale. melexis makes no warranty, express, statutory, imp lied, or by description regarding the information set forth herein or regarding the freedom of the described devices from patent infringement. melexis reserves the right to c hange specifications and prices at any time and without notice. t herefore, prior to designing this product into a system, it is necessary to check with melexis for current information. this product is intended for use in normal commercial applications. applications requiring extended temperature rang e, unusual environmental requirements, or high reliability applications, such as military, medical li fe-support or life-sustaining equipment are specifically n ot recommended without additional processing by melexis for each ap plication. the information furnished by melexis is believed to be cor rect and accurate. however, melexis shall not be liable t o recipient or any third party for any damages, including but not limited to personal injury, property damage, loss of profits, loss of use, interrupt of business or indirect, spe cial incidental or consequential damages, of any kind, in connection with or arising out of the furnishing, performa nce or use of the technical data herein. no obligation or liability to recipient or any third party shall arise or flow out of melexis? rendering of technical or other serv ices. ? 2012 melexis nv. all rights reserved. for the latest version of this document, go to our website at www.melexis.com or for additional information contact melexis direct: europe, africa, asia: america: phone: +32 1367 0495 phone: +1 248 306 5400 e-mail: sales_europe@melexis.com e-mail: sales_usa @melexis.com iso/ts 16949 and iso14001 certified
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