Datasheet ADP5065 (Analog Devices) - 6

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ADP5065 Data Sheet I2C-COMPATIBLE INTERFACE TIMING SPECIFICATIONS Table 3. Parameter1 Symbol Min Typ Max Unit
I2C-COMPATIBLE INTERFACE2 Capacitive Load, Each Bus Line CS 400 pF SCL Clock Frequency fSCL 400 kHz SCL High Time tHIGH 0.6 µs SCL Low Time tLOW 1.3 µs Data Setup Time tSUDAT 100 ns Data Hold Time tHDDAT 0 0.9 µs Setup Time for Repeated Start tSUSTA 0.6 µs Hold Time for Start/Repeated Start tHDSTA 0.6 µs Bus Free Time Between a Stop and a Start Condition tBUF 1.3 µs Setup Time for Stop Condition tSUSTO 0.6 µs Rise Time of SCL/SDA tR 20 300 ns Fall Time of SCL/SDA tF 20 300 ns Pulse Width of Suppressed Spike tSP 0 50 ns 1 Guaranteed by design. 2 A master device must provide a hold time of at least 300 ns for the SDA signal to bridge the undefined region of the falling edge of SCL. See Figure 2, the I2C timing diagram.
Timing Diagram SDA tF tBUF tF t t LOW t t R SU,DAT t SP tR HD,STA SCL tHIGH tSU,STA tSU,STO S tHD,DAT Sr P S S = START CONDITION
002
Sr = REPEATED START CONDITION P = STOP CONDITION
09370- Figure 2. I2C Timing Diagram Rev. D | Page 6 of 40 Document Outline Features Applications Functional Block Diagram General Description Revision History Specifications Recommended Input and Output Capacitance I2C-Compatible Interface Timing Specifications Timing Diagram Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Temperature Characteristics Typical Waveforms Theory of Operation Introduction Charger Modes Input Current Limit USB Compatibility Trickle Charge Mode Trickle Charge Mode Timer Weak Charge Mode (Constant Current) Fast Charge Mode (Constant Current) Fast Charge Mode (Constant Voltage) Fast Charge Mode Timer Watchdog Timer Safety Timer Charge Complete Recharge Battery Charging Enable/Disable Thermal Management Isothermal Charging Thermal Shutdown and Thermal Early Warning Fault Recovery Battery Isolation FET Battery Detection Battery Level Detection Battery (ISO_Bx) Short Detection Battery Pack Temperature Sensing Battery Thermistor Input JEITA Li-Ion Battery Temperature Charging Specification External Resistor for V_WEAK_SET I2C Interface Charger Operational Flowchart I2C Register Map Register Bit Descriptions Applications Information External Components Inductor Selection ISO_Sx (VOUT) and ISO_Bx Capacitor Selection VINx Capacitor Selection CFILT Capacitor Selection PCB Layout Guidelines Power Dissipation and Thermal Considerations Charger Power Dissipation Junction Temperature Factory-Programmable Options Packaging and Ordering Information Outline Dimensions Ordering Guide