NCV7729BPPR2G ON Semiconductor, NCV7729BPPR2G Datasheet
NCV7729BPPR2G
Specifications of NCV7729BPPR2G
Available stocks
Related parts for NCV7729BPPR2G
NCV7729BPPR2G Summary of contents
Page 1
... Industrial © Semiconductor Components Industries, LLC, 2010 April, 2010 − Rev 300 mW (150°C) NCV7729BPPR2G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. 1 http://onsemi.com PSOP− ...
Page 2
VCC 12 Core Functions Biasing and Supply 3 IN1 19 IN2 DIS/SF 17 CSB 2 SCLK GND Loss Detection 1 AGND DGND CHP 4 Regulated Chargepump Output Protection and Diagnostics 20 Figure 1. ...
Page 3
REG1 5V / 3.3V REG2 VCC 5V / 3.3V 12 Core Functions Biasing and IN1 3 IN2 DIS/SF CSB 17 SCLK GND Loss Detection 1 AGND Figure 2. ETC Application Diagram ...
Page 4
PACKAGE PIN DESCRIPTION Pin# Symbol 1 AGND Analog Ground; Device Substrate. 2 SCLK Serial Clock. Clock input for SPI communication (internal pullup IN1 Control Input 1 (internal pullup CHP Charge pump in/output 5 VS ...
Page 5
... Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect device reliability. 1. For additional information, see or download ON Semiconductor’s Soldering and Mounting Techniques Reference Manual, SOLDERRM/D, and Application Note AND8003/D. ATTRIBUTES ...
Page 6
ELECTRICAL CHARACTERISTICS 22 nF, unless otherwise specified) (Note 5) Characteristic POWER SUPPLIES V Supply Current S V Supply Current CC V Undervoltage Lockout CC V POR Hysteresis CC V Overvoltage Lockout CC V Undervoltage Lockout S V POR Hysteresis S ...
Page 7
ELECTRICAL CHARACTERISTICS 22 nF, unless otherwise specified) (Note 5) Characteristic POWER OUTPUTS − DC Characteristics LS Current limit vs. Overcurrent tracking LS Overcurrent shutdown threshold LS Overcurrent shutdown tracking HS Overcurrent shutdown threshold HS Overcurrent shutdown tracking OUTx leakage current ...
Page 8
ELECTRICAL CHARACTERISTICS 22 nF, unless otherwise specified) (Note 5) Characteristic OPEN LOAD DIAGNOSTICS Diagnostic Pulldown current Diagnostic current tracking Open Load Detection Delay time − MICROCONTROLLER INTERFACE DC CHARACTERISTICS Digital Input Threshold SI, SCLK, CSB, EN, DIS/SF, INx Input Hysteresis ...
Page 9
ELECTRICAL CHARACTERISTICS 22 nF, unless otherwise specified) (Note 5) Characteristic − MICROCONTROLLER INTERFACE AC CHARACTERISTICS (V SO Valid time EN or DIS/SF Hold time 5. Min/Max values are valid for the temperature range −40°C vT test, design or statistical correlation. ...
Page 10
Bridge Control Inputs The integrated switches can be controlled by input signals (INx) as well as via the SPI Interface. Mode selection is performed via the SPI configuration register. The device provides two enable inputs active high and ...
Page 11
VCC DIS/SF EN INx Bridge Outputs The H−Bridge output is built up by four N−channel power DMOS devices (150 mW typ, 300 mW max @ 150°C). All transistors are protected against overtemperature conditions induced by short circuit conditions to GND, ...
Page 12
Iload Overcurrent shutdown level I SD (HS,LS – Tracks I Current limitation level Ic (SPI programmable) Output enable Iload I Ic Output enable DIS/SF (configured as output) Overtemperature The device is protected against excessive junction temperatures by integrated temperature sensors. ...
Page 13
Ic IC4 IC3 IC2 IC1 TH1,TH0 = 1,1 (default) Figure 8. Temperature−dependent Peak Current Reduction Open Load Diagnostics While short to GND/VS or shorted load fault conditions at the outputs will be detected in active mode, open load detection is ...
Page 14
Table 2. NCV7729 OPERATING MODES EN DIS/SF Config.EN1 Table 3. OPEN LOAD DIAGNOSTICS RESULTS Failure Mechanism Load inserted Open Load OUT1: Short ...
Page 15
EN and DIS/SF (Config.SFMODE = 0) enable inputs. Diagnostic and status information is lost when V overvoltage occurs and it is required ...
Page 16
SPI Interface The 4−wire SPI interface establishes a full duplex synchronous serial communication link between the NCV7729 and the application’s microcontroller. The NCV7729 always operates in slave mode whereas the controller provides the master function. The NCV7729 is accessed ...
Page 17
General SPI Timing The general SPI timing shown in Figure 13 is defined as follows for the NCV7729: • The change at output SO is forced by the rising edge of the SCLK signal if a valid chip ID is ...
Page 18
REGISTER AND COMMAND STRUCTURE OVERVIEW PROTOTYPE R/W IN ID1 ID0 CD5 CD4 OUT BIT # WR_CONFIG OUT RD_ID ...
Page 19
WR_CONFIG Type: W Function: Programs the device configuration (valid SPI frame detected). The WR_CONFIG returns the diagnostic register contents without resetting the register. The RD_DIAG command returns the diagnostic register contents and resets all latched data in the register. The ...
Page 20
Output Parameter Description: Parameter D21 D20 D11 OUT2 Status OUT1 Status CLIM 0 ...
Page 21
RD_ID Type: R Function: Returns the hard−coded device identification (ID). Command Prototype: RD_ID OUT Input parameter description: n/a Output Parameter Description: Parameter ID[7: “ ...
Page 22
RD_CONFIG Type: R Function: Returns the device configuration parameters. Command Prototype: RD_CONFIG OUT Input Parameter Description: n/a Output Parameter Description: Parameter TH1 TH0 State of Temperature−Dependent Current Limit ...
Page 23
RD_DIAG Type: R Function: Returns the diagnostic register contents and resets the register (valid SPI frame detected). The RD_DIAG command returns the diagnostic register contents and resets all latched data in the register. The WR_CONFIG command can be used to ...
Page 24
Duty Cycle 20% 10 0.1 Single Pulse Max Psi BA 0.01 0.001 0.000001 0.00001 0.0001 Figure 14. Transient Thermal Performance on 100 mm 100 50% Duty Cycle 20 ...
Page 25
... DIMENSIONS: MILLIMETERS *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. http://onsemi.com 25 NOTES: 1. DIMENSIONING AND TOLERANCING PER ASME Y14.5M, 1994. 2. CONTROLLING DIMENSION: MILLIMETERS ...
Page 26
... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...