DatasheetsPDF.com

LB1947 Dataheets PDF



Part Number LB1947
Manufacturers Sanyo
Logo Sanyo
Description PWM Current Control Type DC Motor Driver
Datasheet LB1947 DatasheetLB1947 Datasheet (PDF)

Ordering number : ENN*6192 LB1947 Monolithic Digital IC LB1947 PWM Current Control Type DC Motor Driver Preliminary Features • PWM current control (fixed OFF time) • Selectable current decay pattern (FAST, SLOW, and MIX DECAY modes) • Simultaneous ON prevention function (feedthrough current prevention) • Built-in thermal shutdown circuit • Built-in noise canceler Package Dimensions unit: mm 3249-SIP13HJ [LB1947] 25.6 C0.7 φ 3.4 φ 2.0 2.4 (10.0) 2.0min 1 (0.8) 2.0 0.5 1.15 13 3.5 (13..

  LB1947   LB1947


Document
Ordering number : ENN*6192 LB1947 Monolithic Digital IC LB1947 PWM Current Control Type DC Motor Driver Preliminary Features • PWM current control (fixed OFF time) • Selectable current decay pattern (FAST, SLOW, and MIX DECAY modes) • Simultaneous ON prevention function (feedthrough current prevention) • Built-in thermal shutdown circuit • Built-in noise canceler Package Dimensions unit: mm 3249-SIP13HJ [LB1947] 25.6 C0.7 φ 3.4 φ 2.0 2.4 (10.0) 2.0min 1 (0.8) 2.0 0.5 1.15 13 3.5 (13.9) 12.2 (12.8) 16.4max 0.4 1.2 Specifications Absolute Maximum Ratings at Ta = 25°C Parameter Maximum motor supply voltage Output peak current Output continuous current Logic supply voltage Logic input voltage range Emitter output voltage Reference voltage Operating temperature Storage temperature Allowable power dissipation Symbol VBB max I OPEAK I O max VCC max VIN VE max VREF Topr Tstg Pd max Conditions tw ≤ 20 µs Ratings 50 2.25 2.0 7.0 –0.3 to VCC 1.1 –0.3 to VCC –20 to +85 –55 to +150 1.6 SANYO : SIP13HJ Ta = 25°C Unit V A A V V V V °C °C W Allowable Operating Ranges at Ta = 25°C Parameter Motor supply voltage Logic supply voltage Reference voltage Symbol VBB VCC VREF Conditions Ratings 10 to 45 4.75 to 5.25 0 to (Vcc–2) Unit V V V Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft's control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 80699RM(KI) No. 6192-1/7 φ 3.0min LB1947 Electrical Characteristics at Ta = 25°C, VBB = 42V, VCC = 5V, VREF = 1.0V Parameter Output stage supply current Symbol I BB ON I BB BR I BB OFF I BBwt V osat 1 V osat 2 V osat 3 V osat 4 I o1(leak) I o2(leak) V SUS I CC ON I CC BR I CC OFF I CCwt V INH V INL I INH I INL VE VEH25 VEL25 VEH25 VEL25 VEH25 VEL25 I ref I CR V MDH V MDM V MDL I MDH I MDL T SD Conditions No-load state No-load state No-load state No-load state Io = +1.0A sink Io = +2.0A sink Io = –1.0A source Io = –2.0A source VO = VBB sink VO = 0V source L = 3.9 mH Io = 2.0A *1 IN1 : High, IN2 : Low, ST = High IN1 : Low, IN2 : High, ST = High IN1 : Low, IN2 : Low, ST = High ST : Low min 0.4 0.2 0.2 Ratings typ 0.6 0.4 0.4 1.2 1.6 1.8 2.1 –50 50 11 11 11 1.0 2 60 6 0 0.970 0.483 0.385 0.190 0.190 0.092 –0.5 –1.56 Vcc–0.3 0.3Vcc –1.0 –5.0 170 max 1.0 0.8 0.8 0.1 1.5 1.9 2.2 2.4 50 Unit mA mA mA mA V V V V µA µA V mA mA mA mA V V µA µA V V V V V V V µA mA V V V µA µA °C Output Block Output saturation voltage 1 2 3 4 Output leak current Output sustain voltage Logic supply current 16 16 16 2 21 21 21 3.0 0.8 120 13 1.1 1.030 0.513 0.410 0.210 0.210 0.108 0.5 –1.04 Vcc–1.0 0.4 1.0 Input voltage Input current Sensing voltage Sensing voltage 25H Sensing voltage 25L Sensing voltage 10H Sensing voltage 10L Sensing voltage 05H Sensing voltage 05L Reference current CR pin current MD pin voltage V IN = 5V V IN = 0.8V VI = High, VREF = 2.5V VI = Low, VREF = 2.5V VI = High, VREF = 1.0V VI = Low, VREF = 1.0V VI = High, VREF = 0.5V VI = Low, VREF = 0.5V Vref = 1.0V CR = 1.0V 90 10 1.0 0.5 0.4 0.2 0.2 0.1 –1.3 Logic Block MD pin current Thermal shutdown temperature *1: Guaranteed design MD = (Vcc–0.5)V, CR = 1.0V MD = 0.4V, CR = 2.0V Truth Table IN 1 H H H H H H H H H H H H L L L L L L X IN 2 L L L L L L H H H H H H H H H H H L X ST H H H H H H H H H H H H H H H H H H L or OPEN VI H H H L L L H H H L L L H H L L X X X MD L M H L M H L M H L M H L M L M H X X OUT H H H H H H L L L L L L L L L L L OFF OFF OUT– L L L L L L H H H H H H L L L L L OFF OFF Operating mode Forward, 2/5 times, FAST Forward, 2/5 times, MIX Forward, 2/5 times, SLOW Forward, 1/5 times, FAST Forward, 1/5 times, MIX Forward, 1/5 times, SLOW Reverse, 2/5 times, FAST Reverse, 2/5 times, MIX Reverse, 2/5 times, SLOW Reverse, 1/5 times, FAST Reverse, 1/5 times, MIX Reverse, 1/5 times, SLOW Brake, 2/5 times, FAST Brake, 2/5 times, MIX Brake, 1/5 times, FAST Brake, 1/5 times, MIX Brake, no current limiting Output OFF Standby mode (circuit OFF) Except for MD pin, Low at input OPEN MD M: determined by external voltage No. 6192-2/7 LB1947 Pin Description Pin number 1 3 2 4 5 8 9 Pin name OUTA– OUTA E VI ST IN1 IN2 Equivalent circuit Output pin Sense voltage control pin VI High : sense voltage is 2/5 of VREF Low : sense voltage.


LB1945H LB1947 LB1950


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)