VN771KP-E STMicroelectronics, VN771KP-E Datasheet
VN771KP-E
Specifications of VN771KP-E
Available stocks
Related parts for VN771KP-E
VN771KP-E Summary of contents
Page 1
... Undervoltage protection ■ ESD protection Description The VN771KP device formed by three monolithic chips housed in a standard SO-28 package: a double high side and two low side switches. Both the double high side and low side switches are made using STMicroelectronics ™ ...
Page 2
... Thermal calculation in clockwise and anti-clockwise operation in steady state mode 27 4.2.1 4.2.2 4.2.3 4.2.4 5 Package characteristics 5.1 ECOPACK 5.2 SO-28 mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 5.3 SO-28 tube shipment 5.4 Tape and reel shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 6 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 2/34 Thermal resistances definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 Thermal calculation in transient mode . . . . . . . . . . . . . . . . . . . . . . . . . 27 Single pulse thermal impedance definition . . . . . . . . . . . . . . . . . . . . . . 27 Pulse calculation formula . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ® Doc ID 018896 Rev 1 VN771KP-E ...
Page 3
... VN771KP-E List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Table 2. Pin definition and function Table 3. Thermal data Table 4. Dual high side switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Table 5. Low side switch Table 6. Power outputs (for each channel Table 7. Switching (for each channel) (V Table 8. Logic input (for each channel Table 9. ...
Page 4
... Turn-off drain source voltage slope (V Figure 43. Current limit vs junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 Figure 44. Application diagram bridge drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Figure 45. Recommended motor operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Figure 46. Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figure 47. SO-28 PC board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Figure 48. Chipset configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 4/34 case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 CC =5V =3.5V =5V =10Ohm =7A =3.5V =5V Doc ID 018896 Rev 1 VN771KP-E ...
Page 5
... VN771KP-E Figure 49. Auto and mutual Rthj-amb vs PCB copper area in open box free air condition . . . . . . . . . 26 Figure 50. SO-28 HSD thermal impedance junction ambient single pulse . . . . . . . . . . . . . . . . . . . . . 28 Figure 51. SO-28 LSD thermal impedance junction ambient single pulse Figure 52. Thermal fitting model of an H-bridge in SO- Figure 53. SO-28 package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Figure 54. ...
Page 6
... Block diagrams and pins descriptions 1 Block diagrams and pins descriptions Figure 1. Block diagram 6/34 Doc ID 018896 Rev 1 VN771KP-E ...
Page 7
... VN771KP-E Table 2. Pin definition and function 25 10, 19 12, 14, 15 16, 17 20, 21 22, 23 26, 27 Figure 2. Connection diagram Name DRAIN 3 Drain of switch 3 (low-side switch) INPUT 3 Input of switch 3 (low-side switch) N.C. Not connected Drain of switches 1 and 2 (high-side switches) and power ...
Page 8
... Table 5. Low side switch Symbol V Drain source voltage ( Input voltage IN I Input current IN 8/34 Parameter heat sink) Parameter =25°C) C Parameter = 0V) IN Doc ID 018896 Rev 1 VN771KP-E Value max (°C/ See Figure 49 Value Unit 41 V -0.3 V -200 mA Internally limited ±10 mA ±10 mA ...
Page 9
... VN771KP-E Table 5. Low side switch (continued) Symbol R Minimum input series impedance IN MIN I Drain current D I Reverse DC output current R V Electrostatic discharge (R = 1.5 KΩ 100 pF) ESD1 Electrostatic discharge on output pin only (human V ESD2 body model 330 Ω 150 pF) P Power dissipation (T tot ...
Page 10
... Min Typ - - 0.5 - 6.8 6 -0.7 Min Typ - - = STAT = STAT 6.8 6 -0.7 Min Typ Max 150 175 200 135 - 7 15 VN771KP-E Max Unit - µs - µs - V/µs - V/µs Max Unit 1. µ µ Max Unit 0 µA 100 Unit °C - °C - ° ...
Page 11
... VN771KP-E Table 10. Protections (for each channel) (continued) Symbol Parameter Status delay in t SDL overload conditions I Current limitation lim Turn-off output clamp V demag voltage Note: To ensure long term reliability under heavy overload or short circuit conditions, protection and related diagnostic signals must be used together with a proper software strategy. If the device is subjected to abnormal conditions, this software must limit the duration and number of activation cycles ...
Page 12
... 2.2 KΩ gen gen V = Ω gen IN MIN V = 2.13 mA gen Doc ID 018896 Rev 1 VN771KP-E Min Typ Max 6 6.8 -1.0 -0 Min Typ Max = 25 ° Min Typ ...
Page 13
... VN771KP-E Table 16. Source drain diode Symbol Parameter (1) V Forward on voltage SD t Reverse recovery time rr Reverse recovery Q rr charge Reverse recovery I RRM current 1. Pulsed: Pulse duration = 300 µs, duty cycle 1.5%. -40 °C < Tj < 150 °C, unless otherwise specified. Table 17. Protections Symbol Parameter I Drain current limit ...
Page 14
... Normal operation Current limitation Over temperature Undervoltage Overvoltage Output voltage > V Output current < 14/34 Input Doc ID 018896 Rev 1 VN771KP-E Output Status < TSD X (T > TSD ...
Page 15
... VN771KP-E Figure 4. Open-load status timing (with external pull-up) Figure 5. Over temperature status timing Doc ID 018896 Rev 1 Electrical specifications 15/34 ...
Page 16
... Electrical specifications 2.6 Electrical characterization for dual high side switch Figure 6. Off-state output current Figure 8. High level input current Figure 10. Input low level voltage 16/34 Figure 7. Input clamp voltage Figure 9. Input high level voltage Figure 11. Input hysteresis voltage Doc ID 018896 Rev 1 VN771KP-E ...
Page 17
... VN771KP-E Figure 12. Overvoltage shutdown Figure 14. Turn-on voltage slope Figure 16. On-state resistance vs T Figure 13. I LIM Figure 15. Turn-off voltage slope Figure 17. On-state resistance vs V case Doc ID 018896 Rev 1 Electrical specifications vs T case CC 17/34 ...
Page 18
... Electrical specifications Figure 18. Status leakage current Figure 20. Openload on-state detection threshold Figure 22. Status clamp voltage 18/34 Figure 19. Status low output voltage Figure 21. Openload off-state voltage detection threshold Doc ID 018896 Rev 1 VN771KP-E ...
Page 19
... VN771KP-E 2.7 Electrical characterization for low side switches Figure 23. Static drain source on resistance Figure 25. Transconductance Figure 27. Turn-on current slope (V Figure 24. Derating curve Figure 26. Transfer characteristics =5V) Figure 28. Turn-on current slope (V in Doc ID 018896 Rev 1 Electrical specifications =3.5V) in 19/34 ...
Page 20
... Electrical specifications Figure 29. Input voltage vs input charge Figure 31. Switching time resistive load (V =5V) in Figure 33. Output characteristics 20/34 Figure 30. Capacitance variations Figure 32. Switching time resistive load (R =10Ohm) g Figure 34. Step response current limit Doc ID 018896 Rev 1 VN771KP-E ...
Page 21
... VN771KP-E Figure 35. Source drain diode forward characteristics Figure 37. Static drain source on resistance vs input voltage (I d Figure 39. Normalized input threshold voltage vs temperature Figure 36. Static drian source on resistance vs v Figure 38. Static drain source on resistance vs =7A) Figure 40. Normalized on resistance vs Doc ID 018896 Rev 1 Electrical specifications ...
Page 22
... Electrical specifications Figure 41. Turn-off drain source voltage slope (V =3.5V) in Figure 43. Current limit vs junction temperature 22/34 Figure 42. Turn-off drain source voltage slope (V =5V) in Doc ID 018896 Rev 1 VN771KP-E ...
Page 23
... VN771KP-E 3 Application recommendations Figure 44. Application diagram bridge drivers Most motor bridge drivers use a reverse battery protection diode (D) inside the supply rail. This diode prevents a reverse current flow back to V disabled via the logic inputs while motor inductance still carries energy. In order to prevent a hazardous overvoltage at circuit supply terminal (V limit the voltage overshoot. As basic orientation, 50 µ ...
Page 24
... Application recommendations Figure 45. Recommended motor operation 24/34 Doc ID 018896 Rev 1 VN771KP-E ...
Page 25
... VN771KP-E Figure 46. Waveforms Application recommendations Doc ID 018896 Rev 1 25/34 ...
Page 26
... Figure 48. Chipset configuration LOW SIDE CHIP channel 3 R thB Figure 49. Auto and mutual Rthj-amb vs PCB copper area in open box free air condition 26/34 R thAB HIGH SIDE CHIP channel 1,2 R thA R thBC (a) Doc ID 018896 Rev 1 VN771KP thAC LOW SIDE CHIP channel 4 R thC ...
Page 27
... VN771KP-E 4.2 Thermal calculation in clockwise and anti-clockwise operation in steady state mode Table 19. Thermal calculation in clockwise and anti-clockwise operation in steady state mode Off Off On Off On On Off 4.2.1 Thermal resistances definition Values according to the PCB heatsink area thHS thHS1 ...
Page 28
... Thermal data Figure 50. SO-28 HSD thermal impedance junction ambient single pulse Figure 51. SO-28 LSD thermal impedance junction ambient single pulse 28/34 Doc ID 018896 Rev 1 VN771KP-E ...
Page 29
... VN771KP-E Figure 52. Thermal fitting model of an H-bridge in SO-28 Table 20. Thermal parameters Area/island ( (°C/W) R2 (°C/W) R12 = R17 (°C/ R13 = R 18 (°C/ R14 = R19 (°C/ R15 = R20 (°C/ R10 (°C/W) R11 = R16 (°C/ (W.s/° C11 (W.s/° (W.s/° C13 (W.s/° C10 (W.s/° ...
Page 30
... ST trademark. 5.2 SO-28 mechanical data Figure 53. SO-28 package outline Table 21. SO-28 mechanical data DIM 30/34 mm Min. Typ Max. 2.65 0.1 0.3 0.35 0.49 0.23 0.32 0.5 17.7 18.1 10 10.65 Doc ID 018896 Rev 1 inch Min. Typ. 0.004 0.013 0.009 0.020 45° (typ.) 0.697 0.393 VN771KP-E ® Max. 0.104 0.012 0.019 0.012 0.713 0.419 ...
Page 31
... VN771KP-E Table 21. SO-28 mechanical data (continued) DIM 5.3 SO-28 tube shipment Figure 54. Tube dimensions (no suffix) mm Min. Typ Max. 1.27 16.51 7.4 7.6 0.4 1.27 Doc ID 018896 Rev 1 Package characteristics inch Min. Typ. 0.050 0.650 0.291 0.016 8° (max.) Max. 0.299 0.050 31/34 ...
Page 32
... Package characteristics 5.4 Tape and reel shipment Figure 55. Tape and reel dimensions (suffix “13TR”) 32/34 Doc ID 018896 Rev 1 VN771KP-E ...
Page 33
... VN771KP-E 6 Revision history Table 22. Document revision history Date 01-Jun-2011 Revision 1 Initial release. Doc ID 018896 Rev 1 Revision history Changes 33/34 ...
Page 34
... 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 34/34 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 018896 Rev 1 VN771KP-E ...