l9733 STMicroelectronics, l9733 Datasheet
l9733
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l9733 Summary of contents
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... Outputs 1-8 are self-configuring as high or low side drives. Self-configuration allows a user to connect a high or low side load to any of these outputs and the L9733 will drive them correctly as well as provide proper fault mode operation with no other needed inputs. In addition, Outputs 6, 7 and 8 can be PWM controlled via a external pins (IN6-8) ...
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... Chip select (CS 5.4 Serial clock (SCLK 5.5 Initial input command register & fault register SPI cycle . . . . . . . . . . . . . 22 2/33 Low side drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 High side drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Main power input (Vdd Battery supply (Vbat Discrete inputs voltage supply (VDO Output 6-8 enable input (In6, ln7, ln8 Reset input (RES L9733 ...
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... L9733 5.6 Input command register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 6 Other L9733 features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.1 Charge pump usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.2 Waveshaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.3 POR register initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 6.4 Thermal shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 7 Fault operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 7.1 Low side configured output fault operation . . . . . . . . . . . . . . . . . . . . . . . . 25 7.1.1 7.1.2 7.2 High side configured output fault operation . . . . . . . . . . . . . . . . . . . . . . . 27 7.2.1 7.2.2 8 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 9 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 No latch mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Latch mode ...
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... Table 4. Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5. Thermal data Table 6. DC characteristics Table 7. AC characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Table 8. SPI characteristics and timings Table 9. Bit command register definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Table 10. Command register logic definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Table 11. Fault register definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Table 12. Fault logic definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Table 13. Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4/33 L9733 ...
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... Output loading for slew rate measurements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 5. SPI input/output timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 6. SPI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Figure 7. L9733 application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 8. L9733 HVAC applicative examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Figure 9. L9733 powertrain applicative examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 10. SO28 mechanical data and package dimensions Figure 11. PowerSSO28 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . 32 List of figures 5/33 ...
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... Reset input (active low) Source pin of configurable driver #5 (0.7 Ω Rds 28 VDO SRC8 24 DRN8 23 DRN7 22 SRC7 21 SRC6 20 DRN6 19 DRN5 18 SRC5 17 RES 16 IN8 15 GND Function @+25°) on @+25°) on @+25°) on @+25°) on @+25°) on @+25°) on @+25°) on @+25°) on @+25°) on L9733 ...
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... L9733 Table 2. Pin description (continued) N° Pin DRN5 Drain pin of configurable driver #5 (0.7 Ω Rds 19 DRN6 Drain pin of configurable driver #6 (0.7 Ω Rds 20 21 SRC6 22 SRC7 DRN7 Drain pin of low side driver #7 (0.7 Ω Rds 23 DRN8 Drain pin of low side driver #8 (0.7 Ω Rds 24 25 ...
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... Current limit of output 1-8 (-40° Over current protection at output 1-8 (-40°C) OP Maximum clamping energy Human Body Model - All pins ESD Human Body Model - Driver outputs 1. Device is only protected vs. GND. 8/33 Parameter Parameter L9733 Value Unit 4.5 to 5 -40 to 150 °C min 50 VDC max 800 mA ...
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... L9733 2.3 Thermal data Table 5. Thermal data Symbol T Operating ambient temperature amb T Storage temperature stg T Maximum operating junction temperature j R Thermal shut-down temperature th R Thermal shut-down temperature hysteresis th-hys Thermal resistance junction to ambient R Th j-amb R Thermal resistance junction to case (PowerSSO28) Th j-case R Thermal resistance junction to pins (SO28) ...
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... Conditions In6 = 0 VDC In6 = VDO In7 = 0 VDC In7 = VDO In8 = 0 VDC In8 = VDO CS = VDO VDC SCLK = VDO SCLK = 0 VDC DI = VDO VDC L9733 Min Typ Max Units 0.7vdo V 0.3vdo V μA |10| μA 10 100 0.7vdo V 0.3vdo V μA |10| μ ...
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... L9733 Table 6. DC characteristics (continued) Symbol Parameter I DOzol DO Tri-state currents I DOzoh RES ih RES input voltage RES il I RESil RES input current I RESih I Vbat sleep current slp I Vbat current vbat I Max. VDD current VDD I Min. VDD current VDD DRN1 - DRN8 I - DRN1lk Leakage currents ...
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... Drn1 – Drn8 = Vb: Decrease SRC1 - SRC8 until Faults are ”Not Set” AC00h Drn1 – Drn8 = Vbat: Increase SCR1 - SCR8 until Faults are ” Set” @ +125° 350mA DRN @ +25o C @ IDRN = 350mA @ -40° 350mA DRN L9733 Min Typ Max Units 2.7 ...
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... L9733 Table 6. DC characteristics (continued) Symbol Parameter Thermal shutdown (1) Drn1-8 ther temperature (1) Drn1-8 Hysteresis hyst 1. Design Information, not tested. 3.2 AC characteristics -40 to 125°C, V amb Table 7. AC characteristics Symbol Parameter DRN1 - DRN8 Open load & short to T GND filter time (Low filtDRN1-8 ...
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... SRC1-8tondly SRC1-8tondly IN1- 5 are available on wafer IN1- 5 are available on wafer Min Typ Max 100 100 6-8 - 90% 90% 20% 20% DRN1-8 DRN1-8ltoh DRN1-8ltoh DRN1-8toffdly DRN1-8toffdly 80% SRC1-8 SRC1-8 10% SRC1-8htol SRC1-8toffdly SRC1-8toffdly L9733 Units μs μs μs μs μs μs ...
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... L9733 3.3 SPI characteristics and timings T = -40 to 125°C, V amb Table 8. SPI characteristics and timings Symbol Parameter DINC in Input capacitance SCLK Cin Output data (do) DO rise rise time Output data (do) DO fall fall time DO Access time a DO Set up time sum DO Hold time ...
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... Outputs 1 -8 180 Ω SCLKhm SCLKhm SCLK SCLK S S CLKfall CLKfall 90% 90 DIrise DIrise DIfall DIfall 10% 10% DOfall DOfall lag lag SCLK SCLK DO DO dis dis L9733 ...
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... Inductive loads for the L9733 can range from 35mH to a maximum of 325mH. The recommended worst-case solenoid loads (at -40°C) are calculated using a minimum resistance of 40Ω for each output. The maximum single pulse inductive load energy the L9733 outputs is able to be safely handle is 20mJ at -40°C to 125°C (Worst-case load of 325mH & 40Ω). 4.1 ...
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... Supply pins 4.5.1 Main power input (Vdd) An external +5.0 ±0.5 VDC supply provided from an external source is the primary power source to the L9733. This supply is used as the power source for all of its internal logic circuitry and other miscellaneous functions. 4.5.2 Battery supply (Vbat) This input is the supply for the on board charge pump. This input shall be connected directly to battery ...
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... L9733 4.6 Discrete inputs 4.6.1 Output 6-8 enable input (In6, ln7, ln8) This input allows Output 6 (or Output 7, or Output enabled via this external pin without the use of the SPI. The SPI command and the In6-7 input are logically or'd together. A logic "1" on this input (In6, ln7 or ln8) will enable this output no matter what the status of the SPI command register. A logic " ...
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... Serial data input (DI) This input takes data from the digital controller while CS is low. The L9733 accepts an 16 bit byte to command the outputs on or off. The L9733 also serially wraps around the DI input bits to the DO output after the DO output transmits its 16 fault flag bits. The LSB is the first bit of each byte received on DI and the MSB is the last bit of each byte received on DI, once CS transitions from a logic ' logic '0' ...
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... Initial input command register & fault register SPI cycle After initial application of Vdd to the L9733, the input command register and the fault register are "Cleared" by the POR circuitry and that means that the default condition for the output status is Off, the default diagnostic mode is No Latch and the switching OFF overcurrent protection is enable ...
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... OUT1 - OUT8 are Commanded Off b0-b7 1 OUT1 - OUT8 are Commanded On b0-b7 0 OUT1 - OUT8 Diagnostic is No Latch Mode b0-b7 1 OUT1 - OUT8 Diagnostic is Latch Mode b0-b7 0 OUT1 - OUT8 Switching OFF Overcurrent Protection b0-b7 1 OUT1 - OUT8 Linear Overcurrent Protection 22/33 Status L9733 Writing mode Output Output Diag Diag Protection Protection ...
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... POR register initialization When the L9733 wakes up, the Vdd supply to the L9733 is allowed from VDC in 0.3 to 3ms. The L9733 has a POR circuit, which monitors the Vdd voltage. When the Vdd voltage reaches an internal threshold, and remains above this trip level for at least Command and Fault registers are " ...
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... Vth_Vbat and 24/33 OUT6 OUT5 OUT4 b10 fault is present 1 Open load 0 Short circuit to GND (low side) or Short circuit to Vbat (high side) 1 Overcurrent OUT3 OUT2 Fault status L9733 OUT1 LSB ...
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... L9733 Vth_GND. An internal current limited voltage regulator fixes the drain voltage inside the described range when no load is connected. 2. Short circuit to GND The diagnostic of short circuit to GND is detected only in OFF condition sensing the Drn1-8 output voltage. This fault is detected on the falling edge of the CS input if the power drain voltage is lower than the Vth_GND threshold ...
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... The diagnostic of overcurrent is detected only in ON condition, if the switching OFF protection of the channel is enabled (default), sensing the current level of the output power transistor. If the output current has been above the short threshold Iovc for the filtering time Tdel the output power is switched off and at the same time an overcurrent 26/33 L9733 ...
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... L9733 fault is written in the fault register. There are three possibilities to restart one output after the fault has occurred: – Automatically after a time Tres – On the rising edge two valid DI byte has been received and first the Output Status in the command register is written with logic '0' and then with a logic “1” in the following SPI cycle – ...
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... IN7 To driver 7 To driver 7 IN8 IN8 To driver 8 To driver 8 GND GND Figure 8. L9733 HVAC applicative examples Vbatt Vbatt SM SM L9733 L9733 Stall sense Stall sense Four flap motors become sequentially driven. Unipolar stepper motor are Four flap motors become sequentially driven. Unipolar stepper motor are selected by 4 high-side configured switches ...
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... L9733 Figure 9. L9733 powertrain applicative examples Tach-Out Tach-Out (PWM) (PWM) Key-On Relay Key-On Relay Fuel Pump Relay Fuel Pump Relay (opt PWM) (opt PWM) L9733 L9733 Coolant Fan Relay Coolant Fan Relay Main Relays and Lamps Driving Main Relays and Lamps Driving ...
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... DIM. MIN 0.1 b 0. 7.4 L 0.4 S 30/33 mm inch TYP. MAX. MIN. TYP. MAX. 2.65 0.104 0.3 0.004 0.012 0.49 0.014 0.019 0.32 0.009 0.013 0.5 0.020 45° (typ.) 18.1 0.697 0.713 10.65 0.394 0.419 1.27 0.050 16.51 0.65 7.6 0.291 0.299 1.27 0.016 0.050 8 ° (max.) OUTLINE AND MECHANICAL DATA SO-28 L9733 ...
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... L9733 Figure 11. PowerSSO28 mechanical data and package dimensions DIM. MIN. A 2. 0.18 c 0.23 (1) 10.10 D (1) 7 10. 0. 4.2 Y 6.6 (1) "D" and "E" do not include mold flash or protrusions Mold flash or protrusions shall not exceed 0.15 mm per side(0.006") ...
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... Changed only look and feel. 3 Modified Table 9: Bit command register definition on page 4 Changed the min. value of the CSlead parameter on the Updated Table 6 and 5 Changed the status from Preliminary data to Datasheet. 6 Updated in Table 4 the ESD parameter. Changes Table 7. Added new Figure 4. L9733 22. Table 8. ...
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... L9733 Revision history 33/33 ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 34/33 Please Read Carefully: © 2007 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com L9733 ...