L9951 STMicroelectronics, L9951 Datasheet
L9951
Specifications of L9951
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L9951 Summary of contents
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... Description The L9951 and L9951XP are microcontroller driven, multifunctional rear door actuator drivers for automotive applications two DC motors and two grounded resistive loads can be driven with three half bridges and two hide side drivers. ...
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... Programmable softstart function to drive loads with higher inrush current 21 4 Functional description of the SPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 4.7 Status register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 2/36 Doc ID 14173 Rev 8 L9951 / L9951XP ...
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... L9951 / L9951XP 4.8 Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 5 Packages thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 6 Package and packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6.1 ECOPACK 6.2 PowerSO-36™ package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 6.3 PowerSSO-36™ package information . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 6.4 PowerSO-36™ packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6.5 PowerSSO-36™ packing information . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 7 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ® packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ...
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... Table 17. EN, CSN timing Table 18. Test mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Table 19. SPI - Input data and status register Table 20. SPI - Input data and status register Table 21. PowerSO-36™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Table 22. PowerSSO-36™ mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Table 23. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 4/36 Doc ID 14173 Rev 8 L9951 / L9951XP ...
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... L9951 / L9951XP 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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 5. SPI - DO valid data delay time and valid time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 6. SPI - DO enable and disable time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 7. SPI - driver turn-on/off timing, minimum CSN HI time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Figure 8 ...
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... MUX CM / PWM ** 1k GND ** Note: Resistors between µC and L9951 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 Doc ID 14173 Rev 8 L9951 / L9951XP V BAT OUT1 Lock OUT2 ...
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... L9951 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 L9951 will be switched into a test mode. Serial data output . The diagnosis data is available via the SPI and this tristate-output. The output will remain in tristate, if the chip is not selected by the input CSN (CSN = high) ...
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... Chip Chip Chip Chip Leadframe Leadframe Leadframe Leadframe Doc ID 14173 Rev 8 L9951 / L9951XP Function Figure 1 GND GND GND GND OUT5 OUT5 OUT5 OUT5 OUT1 OUT1 OUT1 OUT1 OUT4 OUT4 OUT4 OUT4 N.C. N.C. N.C. N. N.C. N.C. N. N.C. N.C. N.C. ...
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... L9951 / L9951XP 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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... CC j Parameter Test condition V = 13V active mode OUT1 - OUT5 floating V = 13V standby mode OUT1 - OUT5 floating T =-40°C, 25°C test T = 130°C test Doc ID 14173 Rev 8 L9951 / L9951XP Min. Typ increasing T j 130 decreasing increasing T j 150 decreasing 5 Min. Typ ...
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... L9951 / L9951XP Table 7. Supply (continued) Symbol V DC supply current quiescent supply CC current Sum quiescent supply current Table 8. Overvoltage and undervoltage 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 ...
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... A I OUT4,5 Sink and source Sink and source Source corresponding lowside driver is not active corresponding highside driver is not active Doc ID 14173 Rev 8 L9951 / L9951XP Min. Typ. Max. = -60µ -80µ -100µA 10 +10V S 100 150 Min. Typ. Max °C, j 150 = 125 ° ...
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... L9951 / L9951XP Table 11. OUT 1 - OUT 5 (continued) Symbol Output delay time OFF L lowside driver off Cross current protection time, source to sink Cross current protection time, sink to source Switched-off output I current highside drivers of QLH OUT1-5 Switched-off output I current lowside drivers of QLL OUT1-3 Open-load detection ...
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... Parameter Test condition Switching from standby to active mode. Time until not Ready Bit goes low. Parameter Test condition 3.5V V CSN V CLK (1) Parameter Test condition Doc ID 14173 Rev 8 L9951 / L9951XP Min. Typ. 80 Min. Typ 1 - 100 210 = 0 to 5.3V 10 Min ...
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... L9951 / L9951XP Table 14. DI timing Symbol Rise time of input signal DI CLK, CSN Fall time of input signal DI CLK, CSN 1. See Figure 3 and Note: DI timing parameters tested in production by a passed/failed test: Tj= -40°C/+25°C: SPI communication @2MHZ. Tj= +125°C: SPI communication @1.25MHZ. Table 15. ...
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... CSN low to high: actual data is transfered to output power switches old data t t set CSN CLKH t t set DI hold DI Valid Doc ID 14173 Rev 8 L9951 / L9951XP Min. Typ new data actual data t set CLK t CLKL Valid Max. Unit 50 µs 4 µ ...
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... L9951 / L9951XP Figure 5. SPI - DO valid data delay time and valid time CLK DO (low to high) DO (high to low) Figure 6. SPI - DO enable and disable time CSN DO pull-up load to VCC C = 100 pull-down load to GND C = 100 tri tri H Doc ID 14173 Rev 8 Electrical specifications 0.8 VCC 0.5 VCC ...
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... OFF state 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 Doc ID 14173 Rev 8 L9951 / L9951XP CSN_HI,min OFF state ON state ...
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... Standby - mode The standby mode of the L9951 is activated by switching the EN input do GND. All latched data will be cleared and the inputs and outputs are switched to high impedance. In the standby mode the current switched to 5V the device will enter the active mode ...
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... SUV OFF a temperature warning flag is set and is detectable and the thermal shutdown bit has to be cleared by the jSD jSD HYS Doc ID 14173 Rev 8 L9951 / L9951XP (typical SOV OFF drops below the S recovers to normal S , the thermal j SD ...
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... L9951 / L9951XP 3.10 PWM input Each driver has a corresponding PWM enable bit which can be programmed by the SPI interface. If the PWM enable bit is set, the outputs OUT1 to OUT5 are controlled by the logically AND-combination of the signal applied to the PWM input and the output control bit in input data register1 ...
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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 L9951 will go into a test mode. In the test mode the DO will go from tristate to active mode. ...
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... L9951 / L9951XP 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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... If temperature warning bit is set, L9951 will always use the lower duty cycle If this bit is set the microcontroller has to clear Thermal the status register after shutdown undervoltage/overvoltage event to enable the outputs ...
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... L9951 / L9951XP Table 19. SPI - Input data and status register 0 (continued) Input register 0 (write) Bit Name 11 Current monitor select bits 10 9 OUT5 - HS 8 on/off OUT4 - HS 7 on/off OUT3 - HS 6 on/off OUT3 - LS 5 on/off OUT2 - HS 4 on/off OUT2 - LS 3 on/off OUT1 - HS 2 on/off ...
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... Thermal shutdown Temperature warning Doc ID 14173 Rev 8 L9951 / L9951XP Comment A broken VCC-or SPI- connection of the L9951 can be detected by the microcontroller, because all 16 bits low or high is not a valid frame. In case of an over-voltage or undervoltage event the corresponding bit is set and the outputs are deactivated. ...
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... L9951 / L9951XP Table 20. SPI - Input data and status register 1 (continued) Input register 1 (write) Bit Name OUT5 OC 10 recovery enable OUT4 OC 9 recovery enable OUT3 OC 8 recovery enable OUT2 OC 7 recovery enable OUT1 OC 6 recovery enable OUT5 PWM 5 enable OUT4 PWM 4 enable ...
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... Packages thermal data 5 Packages thermal data Figure 10. Packages thermal data 28/36 Doc ID 14173 Rev 8 L9951 / L9951XP ...
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... L9951 / L9951XP 6 Package and packing information ® 6.1 ECOPACK 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™ ...
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... Package and packing information Table 21. PowerSO-36™ mechanical data (continued) Symbol 30/36 Millimeters Min. Typ. 15.80 9.40 13.90 10.90 5.80 0.65 11.05 0 15.50 0.8 Doc ID 14173 Rev 8 L9951 / L9951XP Max. 16.00 9.80 14.5 11.10 2.90 6.20 0.10 15.90 1.10 1.10 10 deg 8 deg ...
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... L9951 / L9951XP 6.3 PowerSSO-36™ package information Figure 12. PowerSSO-36™ package dimensions Table 22. PowerSSO-36™ mechanical data Symbol Package and packing information Millimeters Min. Typ 2. 0.18 - 0.23 - 10. 0.5 - 8 0° 0. Doc ID 14173 Rev 8 Max. 2.45 2.35 0.1 0.36 0.32 10 ...
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... Package and packing information Table 22. PowerSSO-36™ mechanical data (continued) Symbol X Y 6.4 PowerSO-36™ packing information Figure 13. PowerSO-36 32/36 Millimeters Min. Typ. 4.3 6.9 TM tube shipment (no suffix) Doc ID 14173 Rev 8 L9951 / L9951XP Max. - 5.2 - 7.5 ...
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... L9951 / L9951XP Figure 14. PowerSO-36 Package and packing information TM tape and reel shipment (suffix “TR”) TAPE DIMENSIONS A0 15.20 ± 0.1 B0 16.60 ± 0.1 K0 3.90 ± 0.1 K1 3.50 ± 0.1 F 11.50 ± 0.1 P1 24.00 ± 0.1 W 24.00 ± 0.3 All dimensions are in mm. ...
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... D (±0.05) 1.55 D1 (min) 1.5 F (±0.1) 11.5 K (max) 2.85 P1 (±0.1) End 2 Top No components Components cover 500mm min tape Doc ID 14173 Rev 8 L9951 / L9951XP 49 1225 532 3.5 13.8 0.6 REEL DIMENSIONS Base Qty 1000 Bulk Qty 1000 A (max) 330 B (min) 1.5 C (±0. ...
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... L9951 / L9951XP 7 Revision history Table 23. Document revision history Date Mar-2004 Jun-2005 Jul-2005 Sep-2005 Feb-2006 15-Nov-2007 24-Jun-2009 14-May-2010 Revision 1 First issue Added PowerSO-36™ package 2 information. 3 Updated Figure 1.: Block diagram Note 1 removal; 4 Updated Figure 10.: Packages thermal 5 Updated Table 4.: ESD Document restructured and reformatted. ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 36/36 Please Read Carefully: © 2010 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 14173 Rev 8 L9951 / L9951XP ...