ISL9519IRTZ Datasheet, PDF (1/3 Pages) Intersil Corporation – Narrow VDC Regulator/Charger with SMBus Interface

ISL9519
Narrow VDC Regulator/Charger
with SMBus Interface
Key Features
±0.5% System Voltage Accuracy (‐10°C to +100°C)
±3% Accurate Input Current Limit (‐10°C to +100°C)
±3% Accurate Battery Charge Current Limit
Variable Switching Frequency at Light Load Conditions for Higher Efficiency
Fixed Frequency Operation at Higher Loads
Fixed Frequency Mode can be Forced by an External Pin
Trickle Charge System for Deeply Discharged Batteries
Automatic Trickle Charge Current (256mA)
Holds Minimum Voltage to System
SMBus 2‐Wire Serial Interface
Default System Voltage Values for 1‐Cell, 2‐Cell or 3‐Cell Operation Selected by an External Pin
Adapter In‐rush FET Control
Adapter Isolation FET Control
Battery Short Circuit Protection
Fast System‐Load Transient Response
Monitor Outputs
Adapter Current (2.5% Accuracy)
AC‐adapter Present Indicator
11‐Bit Max System Voltage Setting
7‐Bit Min System Voltage Setting
6‐Bit Charge Current Setting
Over 8A Battery Charger Current
6‐Bit Adapter Current Setting
Over 8A Adapter Current
+4.5V to +22V Adapter Voltage Range
Pb‐Free (RoHS Compliant)
Description