L9848TR STMicroelectronics, L9848TR Datasheet

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Features ■ Configurable high side drivers = max.1.5 Ω ■ °C DSON j ■ Current limit of each output at min. 0.8 A ■ Supply voltage 4. 5.25 V ■ ...

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Contents Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Electrical ...

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L9848 3.12 Waveshaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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List of tables List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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L9848 List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Block diagram and pin description 1 Block diagram and pin description Figure 1. Block diagram SCLK PWM IN5 PWM IN6 Prepared by G. Bober, July 5, 2001 Figure 2. Pin connection (top view) 6/ SPI DO ...

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L9848 Table 2. Pin description N° DRN8 4 SRC2 5 DRN2 6 SRC1 7 DRN1 SRC6 11 DRN6 SCLK DRN5 19 SRC5 DRN3 23 ...

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Electrical specifications 2 Electrical specifications 2.1 Absolute maximum ratings Warning: Table 3. Absolute maximum ratings Symbol V DD Pin voltages SCLK IN5 IN6 V – V SRC1 ...

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L9848 2.3 Thermal data Table 5. Thermal data Symbol th(j-a) R th(j- With 6cm on board heatsink area. 2.4 Electrical characteristcs 2.4.1 DC characteristics Table 6. Electrical characteristcs (T = -40°C to 150° ...

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Electrical specifications Table 6. Electrical characteristcs (continued -40°C to 150° specified) Symbol Parameter DRN1-8 leakage I DRN1-8(lk) current (low side) SRC1-6 leakage I SRC1-6(lk) current (high side) DRN1-8 current sink I DRN1-8(Sink) (low side) SRC1-6 current ...

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L9848 2.4.2 AC characteristics Table 7. AC characteristics ( °C to 150 ° specified) Symbol Parameter Slew rate (low side) t Turn on DRN1-8slewon t Turn off DRN1-8slewoff Delay time (low side) t Turn on ...

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Electrical specifications Figure 3. DO loading for disable time measurement Figure 4. Output loading for slew rate measurement Figure 5. Output turn on/off delays and slew rates * IN1- are available on wafer only. 12/ ...

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L9848 Figure 6. SPI input/output slew ratest 90% 10% Figure 7. SPI timing diagram CS SCLK SCLKwid t t SCLKlm SCLK 90% t SCLKrise 10 CSfall t 10% CSrise 90 10% DOrise t ...

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Functional description 3 Functional description 3.1 General features The L9848 monolithic integrated circuit, which provides high flexibility for driving medium loads. 8 outputs, whereof 6 (Output1-6) can be used as either internal low or high side drives ...

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L9848 3.2.2 Output 5-6 These two self-configuring outputs can be used to drive either high or low side loads. In addition to be controlled by the SPI BUS these outputs can also be enabled and disabled via IN5 and IN6 ...

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Functional description 3.5.1 Serial data output (DO) This output pin tri-state condition when logic "0" (LOW). When logic "1" (HIGH), this pin always transmits 8bits of data from the fault register ...

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L9848 3.6 SPI DI input command register An input byte (8 bits) is routed to the Command Register. The content of this Command Register is given in around to the DO pin will go low before a complete ...

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Functional description 3.7.1 Initial fault register SPI Cycle After initial application of VDD to the L9848, the fault register is "Cleared" by the POR circuitry during the initial SPI cycle, and all subsequent cycles, valid fault data will be clocked ...

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L9848 3.10 Thermal shutdown Each of the 8 outputs have independent thermal protection circuitry that disables each output driver once the local n-channel MOSFET device temperature reaches the overtemperature shutdown limit. Due to the hysteresis of the enable and disable ...

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Functional description 3.14 Abnormal voltage conditions The L9848 survives the following abnormal voltage conditions. 3.14.1 Reverse Battery applied either directly, or through a load to the drain pins (DRN1-6) with the source pins (SRC1-6) connected to a load or to ...

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L9848 4 Functional block diagram Figure 8. L9848 with external components + 0.01μF FROM CPU TO CPU (FAN OUT CAP 50nF) DRN1 7 SRC1 6 DRN1 7 SRC1 6 DRN2 5 SRC2 4 DRN2 5 SRC2 4 DRN3 ...

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Application examples 5 Application examples Figure 9. L9848 as mirror axis control motor drivers SCK SDI SDO CS PWM IN5 PWM IN6 Figure 10. L9848 as mirror motor and bulb driver SCK SDI SDO CS PWM IN5 PWM IN6 22/27 ...

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L9848 Figure 11. L9848 as window lift relay and mirror motor driver Vdd 5V SCK SDI + Data SDO Interface CS PWM IN5 PWM IN6 Figure 12. L9848 as bipolar stepper motor driver SCK SDI SDO CS PWM IN5 PWM ...

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Application examples Figure 13. L9848 driving approach for 3 bipolar stepper-motors in sequential mode for climate applications as window lift relay and mirror motor driver SPI 24/27 Stepper-Motor 1 active L9848 disabled disabled L9848 disabled disabled L9848 ...

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L9848 6 Package information In order to meet environmental requirements, ST (also) offers these devices in ECOPACK packages. ECOPACK is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related ...

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Revision history 7 Revision history Table 12. Document revision history Date 12-Jul-2003 18-Nov-2008 26/27 Revision 4 Initial release. Document reformatted. Updated Table 2: Pin 5 Updated Figure 8: L9848 with external Updated Section 6: Package information on page Changes description. ...

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... L9848 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...