SGM41664.pdf• Wide 2.6V to 16V Input Voltage Range
• Up to 36V Programmable Storage Voltage
• Up to 6.2A Programmable Input Current Limit
• Efficient Bidirectional DC/DC Converter
• Low RDSON for Internal MOSFETs
Input Reverse Blocking MOSFET (RBFET): 14mΩ
High-side/Low-side MOSFETs: 45mΩ/60mΩ
STR Disconnect MOSFET (STRFET): 35mΩ
• Adjustable RBFET Turn-On Delay and Soft-Start
• Adjustable Quasi-Fixed
requency: 0.25MHz to 1.5MHz
• Constant Off-Time Control in Steady State
• Programmable Boost Charging Peak Current
• Autonomous or I2
C Modes for Optimal Operation
• Complete Voltage and Current ADC Conversion
• Selectable Input Over-Voltage Protection
• Input Reverse Blocking to Block Leakage Current
• Short-Circuit Protection at Energy Storage Side
• Storage Capacitance Measurement
• Abnormal ESR Detection
• Low RDS(ON) for Internal Switches
Input Reverse Blocking Switch: 24mΩ(Typical)
High-side and Low-side Switches of Bi-directional
DC/DC Regulator: 70mΩ /70mΩ(Typical)
Disconnect Switch: 40mΩ (Typical)
• 2.6V-16V Input Voltage Range
• Storage Voltage Rating Up to 36V
• Programmable Input Current Limit from 1.2A to6.2A
• Selectable Over Voltage Protection: 3.8V, 5.7V,and 13.3V
• Reverse Blocking at Input Side to Prevent FromLeakage Current
• Programmable Reverse Blocking Switch Turn OnDelay Time
• Programmable Reverse Blocking Switch Soft-startTime
• Integrated High-efficiency Bi-directional DC/DCRegulator:
Boost Charging Mode and BuckDischarging Mode Auto-alternating
According tothe Programmed BUS Voltage Detection
andRegulation Level Programmable Quasi-Fixed
Frequency ConstantOFF Time Control
for Steady-State Operation
• Programmable Boost Charging Peak Current
andAdaptive Charging Current Fold-back
• Programmable Storage Voltage
• MTP(Multi-Times Programming)
Available forControl Parameters Programming by I2C
• Short-circuit Protection at Energy Storage Side
• Storage Capacitance Measurement
and AbnormalESR Detection
• Enable Control
• RoHS Compliant and Halogen Free
• Compact Package: QFN4×4-25
