LV8414CS Bi-CMOS LSI www.onsemi.com Quad H-Bridge Micro Step 2 Motor Driver with I C Interface Overview The LV8414CS is a motor driver that is available for the PWM constant-current control micro step drive of dual stepper motor. Miniaturization using the wafer level package (WLP) makes the IC ideally suited for driving the stepping motors used to control the lenses in digital still cameras, cell phone camera modules and other such devices Feature WLP32K (2.472.47) Built-in 256-division micro step drive circuit for dual stepper motor Excitation step proceeds only by step signal input Peak excitation current switchable to one of 16 levels 2 Serial data control using I C interface Built-in thermal protection circuit Low supply voltage protection circuit incorporated On-chip photo sensor drive transistors On-chip Schmitt buffer Typical Applications Tablet Digital Still Camera Feature Phone Smartphone Specifications Absolute Maximum Ratings at Ta = 25C Parameter Symbol Conditions Ratings Unit Maximum supply voltage 1 Vmax 6.0 V M Maximum supply voltage 2 V max 6.0 V CC Output peak current Ipeak ch1 to 4 600 mA O t 10ms, ON-duty 20% Continuous output current 1 I max1 ch1 to 4 400 mA O Continuous output current 2 I max2 PI 30 mA O Allowable power dissipation Pd max *Mounted on a specified board. 1.0 W Operating temperature Topr 30 to +85 C Storage temperature Tstg 55 to +150 C * Specified circuit board : 40mm50mm0.8mm, glass epoxy four-layer board. Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 2 * I C Bus is a trademark of Philips Corporation. ORDERING INFORMATION See det ailed ordering and shipping information on page 37 of this data sheet. Semiconductor Components Industries, LLC, 2015 1 Publication Order Number : March 2015 - Rev. 3 LV8414CS/D LV8414CS Recommended Operating Conditions at Ta = 25C Parameter Symbol Conditions Ratings Unit Operating supply voltage range1 V op 2.5 to 5.5 V M Operating supply voltage range2 V op 2.5 to 5.5 V CC Logic input voltage V 0 to V +0.3 V IN CC CLK input frequency FIN CLK1 to 2 0 to 100 kHz Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. Electrical Characteristics at Ta = 25C, V = 5.0V, V = 3.3V M CC Ratings Parameter Symbol Conditions Unit min typ max Standby mode current drain Istn ENA = 1.0 A VM current drain I ENA =, IM1 + IM2, with no load 50 100 200 A M V current drain I ENA = 0.75 1.5 3.0mA CC CC V low-voltage cutoff voltage VthV 2.0 2.25 2.5 V CC CC Low-voltage hysteresis voltage VthHYS 100 150 200 mV Thermal shutdown temperature TSD Design guarantee value * 160 180 200 C Thermal hysteresis width TSD Design guarantee value * 10 30 50 C Micro-step driver Logic pin internal pull-down Rin ENA, CLK1 to 2, FR1 to 2 50 100 200 k resistance Logic pin input current IinL V = 0, ENA, CLK1 to 2, FR1 to 2 1.0 A IN IinH V = 3.3V, ENA, CLK1 to 2, FR1 to 2 16.5 33 66 A IN Logic high-level voltage VinH ENA, SCL, SDA, CLK1 to 2, FR1 to 2 0.6V V CC Logic low-level voltage VinL ENA, SCL, SDA, CLK1 to 2, FR1 to 2 0.2V V CC Output on-resistance Ronu I = 100mA, upper ON resistance 0.38 O Rond I = 100mA, lower ON resistance 0.22 O Ron I = 100mA, sum of upper- and lower-side 0.6 1.0 O on resistance Output leakage current Ileak 1.0 A O Diode forward voltage VD I = -100mA 0.45 0.75 1.1 V D Chopping frequency Fchop00 280 400 520 kHz Fchop01 140 200 260 kHz Fchop10 420 600 780 kHz Fchop11 210 300 390 kHz Current setting reference voltages VSEN00 0.185 0.200 0.215 V VSEN01 0.175 0.190 0.205 V VSEN02 0.165 0.180 0.195 V VSEN03 0.155 0.170 0.185 V VSEN04 0.145 0.160 0.175 V VSEN05 0.135 0.150 0.165 V VSEN06 0.125 0.140 0.155 V VSEN07 0.115 0.130 0.145 V VSEN08 0.105 0.120 0.135 V VSEN09 0.095 0.110 0.125 V VSEN10 0.085 0.100 0.115 V VSEN11 0.075 0.090 0.105 V VSEN12 0.065 0.080 0.095 V VSEN13 0.055 0.070 0.085 V VSEN14 0.045 0.060 0.075 V VSEN15 0.035 0.050 0.065 V * : Design target value, not to be measured at production test. Continued on next page. www.onsemi.com 2