bd6757kn ROHM Co. Ltd., bd6757kn Datasheet
bd6757kn
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bd6757kn Summary of contents
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... DMOS output allowing a range power supply: 2.0V to 8.0V (BD6757KN) 3) Low ON-Resistance Power MOS output: Full-ON Drive block with 1.3Ω Typ. and Linear Constant-Current Drive block with 0.9Ω Typ. (BD6757KN, BD6889GU) 4) Built-in two digital NPN transistor circuits for photo-interrupter waveform shaping: Input-dividing type with output pull-up resistance (BD6757KN) ...
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... BD6757KN, BD6889GU ●Electrical Characteristics 1) BD6757KN Electrical Characteristics (Unless otherwise specified, Ta=25°C, VCC=3.0V, VM=5.0V) Parameter Symbol Overall Circuit current ICCST during standby operation Circuit current ICC Control input (IN=PS, IN1A to IN7B, and LIMSW) High level input voltage VINH Low level input voltage VINL High level input current ...
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... BD6757KN, BD6889GU 2) BD6889GU Electrical Characteristics (Unless otherwise specified, Ta=25°C, VCC=3.0V, VM=5.0V) Parameter Symbol Overall Circuit current ICCST during standby operation Circuit current ICC Control input (IN=PS, IN1A to IN7B, SW, DSW, DSEL1, and DSEL2) High level input voltage VINH Low level input voltage VINL High level input current ...
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... BD6757KN, BD6889GU ●Electrical Characteristic Diagrams BD6757KN 1250 1000 940mW 750 570mW 500 250 75° 100 125 150 Ambient temperature : Ta [°C] Fig.1 Power Dissipation Reduction BD6889GU 5.0 Top 85°C Mid 25°C 4.0 Low -25°C Op. range 3.0 (2.5V to 5.7V) 2.0 1.0 0.0 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 Supply voltage : VCC [V] Fig.4 Circuit current BD6889GU 5.0 Top 85° ...
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... ROHM Co., Ltd. All rights reserved. 39 SI1 SI2 OUT5A OUT5B PGND2 OUT6A BD6757KN OUT6B OUT7A RNF OUT7B SENSE SO2 52 SO1 Fig.10 BD6757KN Pin Arrangement (Top View) UQFN52 Package BD6757KN Pin Function Table Function No. Pin Name 27 IN2A 28 IN2B 29 IN3A 30 VM2 31 CP1 32 ...
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... BD6757KN, BD6889GU A N. OUT7A D VM4 E RNF F SENSE G OUT7B H N.C. No. Pin Name A1 N.C. A2 OUT6A H-bridge output pin ch6 A A3 OUT6B H-bridge output pin ch6 B A4 VM3 Motor power supply pin ch5 and ch6 A5 PGND3 Motor ground pin ch5 and ch6 A6 OUT5B H-bridge output pin ch5 B ...
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... VREF LIMSW VLIMH VLIML SI1 SO1 Output current selection (p.9/16 VLIML L : VLIMH Fig.12 BD6757KN Application Circuit Diagram 7/15 Technical Note 0.1μF CP4 VG 35 Bypass filter Capacitor for power supply input. (p.14/16) BandGap 1～100uF 10 VM1 16 H bridge OUT1A M Full ON OUT1B 17 ...
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... BD6757KN, BD6889GU Power-saving (p.9/16 Active L : Standby PS C7 Motor control input (p.9/16) IN1A E3 IN1B E4 IN2A F3 IN2B G3 Motor control input (p.9/16) IN3A F6 IN3B F7 IN4A E6 IN4B E5 Motor control input (p.9/16) IN5A C6 IN5B D5 IN6A B3 IN6B B4 Motor control input (p.9/16) IN7A C4 IN7B D4 Selector for Digital transistor (p.10/16) DSEL1 E2 DSEL2 C3 DSW B2 REG Switch (p.10/16) ...
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... Full-ON Drive H-bridge like the other six channels. 5) Charge pump (BD6757KN) Each output H-bridge of the BD6757KN on the high and low sides consists of Nch DMOS. Therefore, the gate voltage VG should be higher than the VM voltage to drive the Nch DMOS on the high side. The BD6757KN has a built-in charge pump circuit that generates VG voltage by connecting an external capacitor (0.01μF to 0.1μ ...
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... BD6757KN, BD6889GU 6) Digital transistor for photo-interrupter waveform shaping (BD6757KN and BD6889GU) The BD6757KN, and BD6889GU build in two digital NPN transistor circuits, and eight digital NPN and PNP transistor circuits for photo-interrupter waveform shaping, respectively. The sensor signal, for lens position detection, is reshaped and output to the DSP ...
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... BD6757KN, BD6889GU In the case of drive the Stepping Motor using ch1 and ch2 IN/IN input mode of the BD6757KN and BD6889GU 2 Phases INPUT IN1A IN1B IN2A Low, H: High, X: Don't care, Z: High impedance At CW, current flows from OUTA to OUTB. At CCW, current flows from OUTB to OUTA. ...
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... VMx, OUTxA, OUTxB, PGNDx, RNF VCC VCC 10kΩ 100kΩ CP3, CP1 VG, CP4, CP2 VCC VCC Fig.18 BD6757KN I/O Circuit Diagram (Resistance values are typical ones) PS, INxA, INxB, SW, DSW, DSEL1, VMx, OUTxA, OUTxB, PGNDx, RNF DSEL2 VCC VCC 10kΩ 100kΩ SIx ...
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... BD6757KN, BD6889GU ●Heat Dissipation 1) Power Consumption The power consumption of the IC (Pw) is expressed by the following formula. Pw[W] = VCC[V] ICC[A] + Iout = VCC[V] ICC[A] + Iout[A] (VM[V] - VRNF[V] - Iout[A] Rm[Ω]) (Linear Constant-Current Drive block) Pw: Power consumption of the IC VCC: Power supply voltage on the VCC pin ...
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... If the junction temperature (Tjmax) reaches 175°C, the TSD circuit will operate, and the coil output circuit of the motor will open. There is a temperature hysteresis of approximately 20°C (BD6757KN Typ.) and 25°C (BD6889GU Typ.). The TSD circuit is designed only to shut off the IC in order to prevent runaway thermal operation not designed to protect the IC or guarantee its operation. The performance of the IC’ ...
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... BD6757KN, BD6889GU ●Ordering part number Part No. Part No. 6757 : Wide power supply voltage range 6889 : Subminiature package UQFN52 7.2 ± 0.1 7.0 ± 0.1 (1. 0.2 ± 0.05 0.05 M +0.1 0.05 0.6 -0.3 Notice : Do not use the dotted line area for soldering 0.4 VBGA063T050 1PIN MARK 5.0±0.1 S 0.08 S P=0.5×7 0.75± ...
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