Datasheet L9848 (STMicroelectronics) - 9

L9848 Electrical specifications 2.3 Thermal data Table 5. Thermal data Symbol Parameter Value Unit
Tst Storage temperature -65 to 150 °C Rth(j-a) Thermal resistance junction to ambient max. 70 °C/W Rth(j-a) Thermal resistance junction to ambient(1) max. 50 °C/W 1. With 6cm2 on board heatsink area.
2.4 Electrical characteristcs 2.4.1 DC characteristics Table 6. Electrical characteristcs
(Tj = -40°C to 150°C, VDD = 4.75 Vdc to 5.25 Vdc, VBatt=9 V to 18 V, unless otherwise specified)
Symbol Parameter Conditions Min. Typ. Max. Unit
VIN5,6(ih) 2.0 V IN5, 6 input voltage VIN5,6(il) 0.8 V IIN5,6(il) V |10| µA IN5, 6 input current IN5,6 = 0Vdc IIN5,6(ih) VIN5,6 = VDD 30 100 µA VCS(ih) 2.0 V CS input voltage VCS(il) 0.8 V ICS(il) V |10| µA CS input current CS = 0Vdc ICS(ih) VCS = VDD 30 100 µA VSCLK(ih) 2.0 V SCLK input voltage VSCLK(il) 0.8 V ISCLK(il) V |10| µA SCLK input current SCLK = 0Vdc ISCLK(ih) VSCLK = VDD |10| µA VDI(ih) 2.0 V DI input voltage VDI(il) 0.8 V IDI((il) V |10| µA DI input current DI = 0Vdc IDI((ih) VDI = VDD |10| µA IVDD VDD current All outputs ON 4.5 6 mA IVDD VDD current All outputs OFF 0.5 2.0 5.0 mA VDO(ol) I V DO output voltage DO = 1.6 mA 0.4 VDO(oh) IDO = -200 µA VDD-0.8 V IDO(zol) V |10| µA DO tri-state current DO = 0Vdc IDO(zoh) VDO = VDD |10| µA 9/27 Document Outline Table 1. Device summary 1 Block diagram and pin description Figure 1. Block diagram Figure 2. Pin connection (top view) Table 2. Pin description 2 Electrical specifications 2.1 Absolute maximum ratings Table 3. Absolute maximum ratings 2.2 Operation conditions Table 4. Operation conditions 2.3 Thermal data Table 5. Thermal data 2.4 Electrical characteristcs 2.4.1 DC characteristics Table 6. Electrical characteristcs 2.4.2 AC characteristics Table 7. AC characteristics 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 Figure 6. SPI input/output slew ratest Figure 7. SPI timing diagram 3 Functional description 3.1 General features 3.2 Outputs - Common characteristics 3.2.1 Output 1-4 3.2.2 Output 5-6 3.2.3 Output7-8 3.3 Main power input (VDD) 3.4 Discrete inputs (IN5-6) 3.5 Serial peripheral interface (SPI) 3.5.1 Serial data output (DO) 3.5.2 Serial data input (DI) 3.5.3 Chip select (CS) 3.5.4 Serial clock (SCLK) 3.6 SPI DI input command register Table 8. Bit command register definition Table 9. Command register logic definition 3.7 Fault operation Table 10. Fault register definition Table 11. Fault logic definition 3.7.1 Initial fault register SPI Cycle 3.7.2 Incandescent lamp outputs 3.8 Configuration for Output1-6 3.8.1 Low side drivers 3.8.2 High side drivers 3.9 DRN1-6 susceptibility to negative voltage transients 3.10 Thermal shutdown 3.11 Charge pump usage 3.12 Waveshaping 3.13 POR register initialization 3.14 Abnormal voltage conditions 3.14.1 Reverse Battery 3.14.2 Maximum negative transients 3.14.3 Ground offsets 3.14.4 Loss of ground operation 4 Functional block diagram Figure 8. L9848 with external components 5 Application examples Figure 9. L9848 as mirror axis control motor drivers Figure 10. L9848 as mirror motor and bulb driver Figure 11. L9848 as window lift relay and mirror motor driver Figure 12. L9848 as bipolar stepper motor driver Figure 13. L9848 driving approach for 3 bipolar stepper-motors in sequential mode for climate applications as window lift relay and mirror motor driver 6 Package information Figure 14. SO-28 mechanical data and package dimensions 7 Revision history Table 12. Document revision history