L9950 STMicroelectronics, L9950 Datasheet
L9950
Specifications of L9950
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L9950 Summary of contents
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... Description The L9950 and L9950XP are microcontroller driven multifunctional door actuator driver for automotive applications.Up to five DC motors and five grounded resistive loads can be driven with six half bridges and five highside drivers ...
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... Programmable soft start function to drive loads with higher inrush current . 4 Functional description of the SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 4.1 Serial Peripheral Interface (SPI 4.2 Chip Select Not (CSN 4.3 Serial Data In (DI 4.4 Serial Data Out (DO 4.5 Serial clock (CLK 4.6 Input data register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 2/39 Doc ID 10311 Rev 10 L9950 - L9950XP 22 ...
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... L9950 - L9950XP 4.7 Status register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 4.8 Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 5 Packages thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.1 ECOPACK 6.2 PowerSO-36 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.3 PowerSSO-36 package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 6.4 PowerSO-36 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 6.5 PowerSSO-36 packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 ® Doc ID 10311 Rev 10 ...
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... Table 16. DO timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 17. CSN timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Table 18. Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Table 19. SPI - input data and status registers Table 20. SPI - input data and status registers Table 21. PowerSO-36 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Table 22. PowerSSO-36 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Table 23. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4/39 Doc ID 10311 Rev 10 L9950 - L9950XP ...
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... L9950 - L9950XP List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Figure 2. Configuration diagram (top view Figure 3. SPI - transfer timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 4. SPI - input timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 5. SPI - DO valid data delay time and valid time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 6. SPI - DO enable and disable time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 7. SPI - driver turn-on/off timing, minimum csn hi time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 8 ...
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... OUT8 Footstep Light OUT9 Safety Light OUT10 Turn Indicator OUT11 Defroster 5 ** Note: Resistors between µC and L9950 are recommended to limit currents for negative voltage transients at VBAT (e.g. ISO type 1 pulse) + Note: Using a ferrite instead of 10ohm will additionally improve EMC behavior Function ...
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... L9950 and micro controller is enabled by pulling the input CSN to low level input voltage of more than 7.5V is applied to CSN pin the L9950 will be switched into a test mode. Serial data output. The diagnosis data is available via the SPI and this tristate output. The ...
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... DMOS transistor with an internal parasitic reverse diode from the output to VS (bulk-drain-diode). The output is over-current and open load protected. GND 1 Power SO36 OUT11 2 OUT1 3 OUT2 4 OUT3 Chip CSN VCC 12 CLK OUT4 16 Leadframe OUT4 17 GND 18 Doc ID 10311 Rev 10 L9950 - L9950XP Function 36 GND 35 OUT11 34 OUT10 33 OUT9 OUT8 30 OUT7 PWM1 ...
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... L9950 - L9950XP 2 Electrical specifications 2.1 Absolute maximum ratings Stressing the device above the rating listed in the “Absolute maximum ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the Operating sections of this specification is not implied ...
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... CSN = CSN = V CC OUT1 - OUT11 floating T =-40 °C, 25 °C test CSN = V CC standby mode OUT1 - OUT11 floating T =-40 °C, 25 °C test Doc ID 10311 Rev 10 L9950 - L9950XP Min. Typ increasing T j 130 - decreasing - increasing T j 150 - decreasing - 5 Min. ...
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... L9950 - L9950XP Table 8. Overvoltage and under voltage detection Symbol V VS UV-threshold voltage SUV UV-threshold voltage SUV OFF V VS UV-hysteresis SUV hyst V VS OV-threshold voltage SOV OFF V VS OV-threshold voltage SOV OV-hysteresis SOV hyst V Power-on-reset threshold POR OFF V Power-on-reset threshold POR ON V Power-on-reset hysteresis POR hyst Table 9 ...
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... 3.0A OUT11 3.0 A OUT11 Sink and source, V =13.5V S Sink and source 13.5V S Sink and source 13.5V S Source Doc ID 10311 Rev 10 L9950 - L9950XP Min. Typ. Max ° 300 400 = 125 ° 450 600 = 25 ° 300 400 = 25 ° 800 1100 = 125 °C, ...
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... L9950 - L9950XP Table 11. OUT1 - OUT11 (continued) Symbol Output current limitation OUT11 GND Output delay time highside driver on Output delay time OFF H highside driver off Output delay time lowside driver on Output delay time OFF L lowside driver off Cross current protection time source to sink ...
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... Switching from standby to active mode. Time until output drivers are enabled after CSN going to high. Parameter Test condition 3 CSN V CLK V V PWM V CC Doc ID 10311 Rev 10 L9950 - L9950XP Min. Typ. 0.1 0.2 0.09 0.2 0.1 0.2 0.1 0.2 Min. Typ. - 160 Min. Typ 1.5 2 ...
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... L9950 - L9950XP Table 14. DI timing Symbol t Clock period CLK t Clock high time CLKH t Clock low time CLKL CSN setup time, CSN low t set CSN before rising edge of CLK CLK setup time, CLK high t set CLK before rising edge of CSN t DI setup time ...
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... CSN low to high: actual data is CSN low to high: actual data is fault bit fault bit fault bit transfered to output power switches transfered to output power switches transfered to output power switches old data old data old data Doc ID 10311 Rev 10 L9950 - L9950XP Min. Typ. Max. Unit = - 100 ...
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... L9950 - L9950XP Figure 4. SPI - input timing CSN CLK DI Figure 5. SPI - DO valid data delay time and valid time CLK DO (low to high) DO (high to low set CSN CLKH set DI hold DI CLKL Valid Valid Doc ID 10311 Rev 10 Electrical specifications 0.8 VCC 0.2 VCC CLK 0.8 VCC ...
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... DO tri H CSN low to high: data from shift register is transferred to output power switches CSN_HI,min t dOFF ON state t OFF t dON t ON OFF state Doc ID 10311 Rev 10 L9950 - L9950XP 0.8 VCC 50% 0.2 VCC 50% t dis DO L tri 50% t dis DO H tri 80% 50% 20% 80% 50% ...
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... L9950 - L9950XP Figure 8. SPI - timing of status bit 0 (fault condition) CSN CLK DI DO CSN high to low and CLK stays low: status information of data bit 0 (fault condition) is transfered to DO DI: data is not accepted 0 - DO: status information of data bit 0 (fault condition) will stay as long as CSN is low ...
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... Standby mode The standby mode of the L9950 is activated by clearing the bit 23 of the Input Data Register 0. All latched data will be cleared and the inputs and outputs are switched to high impedance. In the standby mode the current at V CSN = high (DO in tristate) ...
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... L9950 - L9950XP 3.5 Overvoltage and under voltage detection If the power supply voltage V 21 V), the outputs OUT1 to OUT11 are switched to high impedance state to protect the load. When the voltage V voltage), the output stages are switched to the high impedance to avoid the operation of the power devices without sufficient gate driving voltage (increased power dissipation) ...
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... A real overload condition can only be qualified by time example the microcontroller can switch on light bulbs by setting the over-current Recovery bit for the first 50ms. After clearing the recovery bit the output will be automatically disabled if the overload condition still exits. 22/39 Doc ID 10311 Rev 10 L9950 - L9950XP ...
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... L9950 - L9950XP Figure 9. Example of programmable soft start function for inductive loads Doc ID 10311 Rev 10 Application information 23/39 ...
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... The state when CSN is going low until the rising edge of CSN will be called a communication frame. If the CSN input pin is driven above 7.5V, the L9950 will go into a test mode. In the test mode the DO will go from tri state to active mode. ...
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... L9950 - L9950XP 4.4 Serial Data Out (DO) The data output driver is activated by a logical low level at the CSN input and will go from high impedance to a low or high level depending on the status bit 0 (fault condition). The first rising edge of the CLK input after a high to low transition of the CSN pin will transfer the content of the selected status register into the data out shift register ...
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... HI) ! (both HI) ! (both HI) DI both HI ! (both HI) CLK ! (both HI) ! (both HI) INT_CLK both HI both HI PWM1 ! (both HI) ! (both HI) both HI PWM2 both HI ! (both HI) both HI Doc ID 10311 Rev 10 L9950 - L9950XP Test pad 5µA Iref ! (both HI) ! (both HI) Tsens1 both HI ! (both HI) Tsens2 both HI ! (both HI) Tsens3 both HI Tsens4 ! (both HI) both HI Tsens5 both HI ...
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... Doc ID 10311 Rev 10 Functional description of the SPI Status register 0 (read) Name Comment A broken VCC or SPI connection of the L9950 can be detected by the microcontroller, because all 24 bits low or high is not a valid frame. In case of an overvoltage or undervoltage event the corresponding bit is set and the outputs are deactivated ...
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... OUT2 – LS over-current OUT1 – HS over-current OUT1 – LS over-current 0 No error bit Doc ID 10311 Rev 10 L9950 - L9950XP Status register 0 (read) Name Comment In case of an over-current event the corresponding status bit is set and the output driver is disabled. If the over- current Recovery Enable bit is ...
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... Doc ID 10311 Rev 10 Functional description of the SPI Status register 1 (read) Name Comment A broken VCC or SPI connection of the L9950 can be detected by the Always 1 microcontroller, because all 24 bits low or high is not a valid frame. In case of an overvoltage VS overvoltage ...
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... PWM1/2 input is low. OUT9 and OUT10 is controlled by PWM2 input all other outputs are controlled by PWM1 input. 1 Doc ID 10311 Rev 10 L9950 - L9950XP Status register 1 (read) Name Comment OUT11 – HS The open load detection open load monitors the load current in each activated output OUT10 – ...
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... L9950 - L9950XP 5 Packages thermal data Figure 10. Packages thermal data Doc ID 10311 Rev 10 Packages thermal data 31/39 ...
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... In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. 6.2 PowerSO-36 package information Figure 11. PowerSO-36 package dimensions 32/39 Doc ID 10311 Rev 10 L9950 - L9950XP ® ...
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... L9950 - L9950XP Table 21. PowerSO-36 mechanical data Symbol Package and packing information Millimeters Min. Typ 0. 0.22 - 0.23 - 15.80 - 9.40 - 13.90 - 10. 5. 0.65 - 11. 15. 0 Doc ID 10311 Rev 10 Max. 3.60 0.30 3.30 0.10 0.38 0.32 16.00 9.80 14.5 11.10 2.90 6. 0.10 15.90 1.10 1.10 ...
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... PowerSSO-36 package information Figure 12. PowerSSO-36 package dimensions Table 22. PowerSSO-36 mechanical data Symbol ( 34/39 Millimeters Min. Typ. 2. 0.18 - 0.23 - 10. 0.5 - 8 0° - Doc ID 10311 Rev 10 L9950 - L9950XP Max. 2.45 2.35 0.10 0.36 0.32 10.50 7 0.1 0.06 10.5 0.4 8° ...
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... L9950 - L9950XP Table 22. PowerSSO-36 mechanical data (continued) Symbol “D” and “E” do not include mold Flash or protrusions. Mold Flash or protrusions shall not exceed 0.15 mm per side (0.006”). 6.4 PowerSO-36 packing information Figure 13. PowerSO-36 tube shipment (no suffix) Package and packing information Millimeters Min ...
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... B0 Bulk qty 16.60 ± 0 (max) 3.90 ± 0 (min) 3.50 ± 0 (±0.2) 11.50 ± 0 (min) 24.00 ± 0 (+2 / -0) 24.00 ± 0.3 N (min) All dimensions are in mm. T (max) Doc ID 10311 Rev 10 L9950 - L9950XP 600 600 330 1.5 13 20.2 24.4 60 30.4 ...
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... L9950 - L9950XP 6.5 PowerSSO-36 packing information Figure 15. PowerSSO-36 tube shipment (no suffix Figure 16. PowerSSO-36 tape and reel shipment (suffix “TR”) TAPE DIMENSIONS According to Electronic Industries Association (EIA) Standard 481 rev. A, Feb. 1986 Tape width Tape hole spacing Component spacing Hole diameter ...
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... Section : Application 9 Changed Section 6.1: ECOPACK Table 22: PowerSSO-36 mechanical – Changed A (max) value from 2.50 to 2.45 10 – Changed A2 (max) value from 2.40 to 2.35 – Changed L (max) value from 0.90 to 0.85 Doc ID 10311 Rev 10 L9950 - L9950XP Description of changes Table 4: ESD protection ; and PowerSSO-36 packing data ...
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... L9950 - L9950XP 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. ...