L9947S STMicroelectronics, L9947S Datasheet
L9947S
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L9947S Summary of contents
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... DESCRIPTION The L9947 is a bus controlled power interface in- BLOCK DIAGRAM November 2001 Multiwatt 15 ORDERING NUMBER: L9947S tended for automotive applications realized in multipower BCD60II technology three DC motors and one grounded resistive load can be BE- driven with its four half-bridge and one high-side driver power outputs ...
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L9947 ABSOLUTE MAXIMUM RATINGS Symbol V DC Supply Voltage S Single Pulse t max I Negative Supply Current S V Stabilized Supply Voltage Digital Input Voltage CSN R/WN V MODE V Digital Input/ Output Voltage D0 ...
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ELECTRICAL CHARACTERISTICS (V wise specified; the voltage are refered to GND and currents are assumed positive, when the current flows into the pin.) SUPPLY: Symbol Parameter I DC Supply Current Supply Current S I Sum Supply Current ...
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L9947 ELECTRICAL CHARACTERISTICS (continued) OUTPUTS: Symbol Parameter R On Resistance to Supply or ON OUT1 GND R On Resistance to Supply or ON OUT2 GND R On Resistance to Supply or ON OUT3 GND R On Resistance to Supply or ...
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APPLICATION CIRCUIT DIAGRAM Fogure 1: Recommended Application Circuit. FUNCTIONAL DESCRIPTION The L9947 is a power interface circuit designed for a multiplex system controlled by a parallel C bus. The bus consists of four bidirectional data wires and ...
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L9947 Output Activating/write Table 1 Status CSN R/WN MODE ...
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Figure 2: System Startup Sequence SYSTEM STARTUP (figure not mandatory that V is present before V S With the presence of the V CC would be reseted and the system restarts under control of the inputs. If ...
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L9947 DATA TRANSFER AND OUTPUTS ACTIVAT- ING (Figure 3) The half bridges of OUT1, OUT2 and OUT3 can be used with OUT4 to drive three bidirectional motors in full bridge configuration as shown in fig.1 Only one motor can be ...
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Bus Timing (figure 4) The bus signal must be defined t CSN goes low allowed to change the level of R/WN during CSN = 0. The other signals could be changed. To store a command it is mandatory ...
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L9947 Diagnostic (TABLE 2; STATUS 11 - 15): The diagnostic delivers the information of the out- put voltage status (high or low) at the outputs OUT1 - OUT5, overcurrent, overvoltage shutdown and over temperature. The output voltage detec- tion is ...
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Figure 5: Supply Current Path at V Interruption CC L9947 11/13 ...
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L9947 mm DIM. MIN. TYP. MAX 2. 0.49 0.55 0.019 F 0.66 0.75 0.026 G 1.02 1.27 1.52 0.040 G1 17.53 17.78 18.03 0.690 H1 19.6 0.772 H2 20.2 L 21.9 22.2 ...
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... This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. © 2001 STMicroelectronics – Printed in Italy – All Rights Reserved Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States ...