Datasheet LT8490 (Analog Devices) - 10
| Manufacturer | Analog Devices |
| Description | High Voltage, High Current Buck-Boost Battery Charge Controller with Maximum Power Point Tracking (MPPT) |
| Pages / Page | 42 / 10 — pin FuncTions VINR (Pin 54):. CHARGECFG1 (Pin 61):. CLKDET (Pin 56):. … |
| File Format / Size | PDF / 707 Kb |
| Document Language | English |
pin FuncTions VINR (Pin 54):. CHARGECFG1 (Pin 61):. CLKDET (Pin 56):. CHARGECFG2 (Pin 63):. IOR (Pin 64):. FBOR (Pin 57):
Model Line for this Datasheet
Text Version of Document
LT8490
pin FuncTions VINR (Pin 54):
A/D Input Pin. Connects to resistive divider
CHARGECFG1 (Pin 61):
A/D Input Pin. Used to configure on VIN to measure input voltage. Used to manage MPPT the float voltage, temperature compensation and enable and start-up. stage 3 charging.
CLKDET (Pin 56):
A/D Input Pin. Connects to CLKOUT
CHARGECFG2 (Pin 63):
A/D Input Pin. Used to configure through an RC filter to detect the duty cycle of CLKOUT. time limits and the valid battery temperature range. Used to manage start-up.
IOR (Pin 64):
A/D Input Pin. Connects to IMON_OUT pin
FBOR (Pin 57):
A/D Input Pin. Connects to FBOUT pin to to read the charger output current. Used to manage the read charger output voltage. Used to manage the charg- charging algorithm. ing algorithm.
GND (Exposed Pad 65 and Pins 55, 59, 62):
Ground. Tie
AVDD (Pin 58):
A/D Positive Reference Pin. Tie this pin to directly to local ground plane. VDD and LDO33.
NC (Pins 52, 60):
Not connected. 8490fa 10 For more information www.linear.com/LT8490 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
pin FuncTions VINR (Pin 54):
A/D Input Pin. Connects to resistive divider
CHARGECFG1 (Pin 61):
A/D Input Pin. Used to configure on VIN to measure input voltage. Used to manage MPPT the float voltage, temperature compensation and enable and start-up. stage 3 charging.
CLKDET (Pin 56):
A/D Input Pin. Connects to CLKOUT
CHARGECFG2 (Pin 63):
A/D Input Pin. Used to configure through an RC filter to detect the duty cycle of CLKOUT. time limits and the valid battery temperature range. Used to manage start-up.
IOR (Pin 64):
A/D Input Pin. Connects to IMON_OUT pin
FBOR (Pin 57):
A/D Input Pin. Connects to FBOUT pin to to read the charger output current. Used to manage the read charger output voltage. Used to manage the charg- charging algorithm. ing algorithm.
GND (Exposed Pad 65 and Pins 55, 59, 62):
Ground. Tie
AVDD (Pin 58):
A/D Positive Reference Pin. Tie this pin to directly to local ground plane. VDD and LDO33.
NC (Pins 52, 60):
Not connected. 8490fa 10 For more information www.linear.com/LT8490 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Package Description Revision History Typical Application Related Parts
