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Ordering number : EN7190A
LV8012T
Overview
Bi-CMOS LSI
Forward/Reverse Motor Driver
LV8012T is a 2ch forward/reverse motor driver IC using D-MOS FET for output stage. As MOS circuit is used, it supports the PWM input. Its features are that the on resistance (0.75Ω typ) and current dissipation are low. It also provides protection functions such as heat protection circuit and reduced voltage detection and is optimal for the motors that need high-current.
Functions
• 2ch forward/reverse motor driver • Possible to respond to 3V control voltage and 6V motor voltage device • Low power consumption • Low-temperature resistance 1.2Ω • Built-in charge pump circuit • Built-in low voltage reset and thermal shutdown circuit • Four mode function forward/reverse, brake, stop. • Compact TSSOP-24 package
Specifications
Absolute Maximum Ratings at Ta = 25°C, SGND = PGND = 0V
Parameter Supply voltage (For load) Supply voltage (For control) Output current Input voltage Allowable power dissipation Operating temperature Storage temperature * : Mounted on a substrate : Symbol VM max VCC max IO max VIN max Pd Topr Tstg 30×50×1.6mm3, glass epoxy board * Mounted on a substrate t ≤ 100ms Conditions Ratings -0.5 to 7.5 -0.5 to 6.0 1.4 -0.5 to VCC+0.5 800 -20 to +75 -55 to +150 Unit V V A V mW °C °C
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80107 MS 20060419-S00003 / 41107 TI PC B8-6194 No.7190-1/6
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LV8012T
Allowable Operating Ratings at Ta = 25°C, SGND = PGND = 0V
Parameter Supply voltage (VM Pin) Supply voltage (VCC Pin) Input signal voltage Input signal frequenc Capacitor for charge pump Symbol VM VCC VIN f max C1, C2, C3 Conditions Ratings 2.0 to 7.0 2.7 to 5.5 0 to VCC 100 0.001 to 0.1 V kHz µF Unit V
Electrical Characteristics at Ta = 25°C, VCC = VM = 5.0V, SGND = PGND = 0V, unless especially specified.
Parameter Supply current for load at standby Supply current for control at standby Current drain during operation H-level input voltage L-level input voltage H-level input current (IN1, IN2, IN3, IN4) L-level input current (IN1, IN2, IN3, IN4) Pull-down resistance (EN1, 2) Output ON resistance Charge pump voltage Low-voltage detection operation voltage Thermal shutdown operation temperature Charge pump capacity (IG = 500µA) IG current dissipation (Fin = 20kHz) Charge pump start time Output block Turn on time Turn off time IG TVG TPLH TPHL CVG = 0.1µF 10 11 12 12 0.2 0.2 350 1.0 0.4 0.4 µA ms µs µs VGLOAD 9 8 9 V TTSD 8 180 °C RUP RON VG VCS Sum of ON resistances at top and bottom 6 7 8.5 2.15 2.30 10.5 2.45 V V 5 100 200 0.75 400 1.2 kΩ Ω IIL 4 -1.0 µA IC1 VIH VIL IIH Symbol IMO ICO EN = 0V EN = 0V, IN1 = IN2 = IN3 = IN4 = 0V EN = 5V, VG at no load 2.7V ≤ VCC ≤ 5.5V 2.7V ≤ VCC ≤ 5.5V 4 3 0.6×VCC 0 0.7 1.2 VCC 0.2×VCC 1.0 mA V V µA Conditions Remarks min 1 2 Ratings typ max 1.0 1.0 µA µA Unit
Remarks 1. It shows current dissipation of VM pin in output OFF state. 2. It shows current dissipation of VCC pin in stand-by state. (The standard current depends on EN pin pull-down resistance.) 3. It shows current dissipation of VCC pin in state of EN = 5V (stand-by), including current dissipation of VG pin. 4. For IN1, IN2, IN3 and IN4 pins, no pull-down and pull-up resistance is needed. (High .