DM9310U08OPA

DM9310 Battery Charger Controller Product List DM9310 Description The DM9310 is a battery charger controller. It has hard-wire charging state machine. There is voltage feedback input from the battery. The battery charging profile will be supported by pulse width modulation output. And drive through an external MOSFET. Features  Operating Voltage: 4.5V ~ 5.5V  Voltage feedback input.  Digital charging control output  Package type: 8L-SOP. Pin Configuration 8 Pin SOP FB © On-Bright Electronics 8 OUT NC 2 7 NC VSS 3 6 VDD 5 NC NC 9310 XXXXX Top Marking Notes Line-1: P/N Line-2: Lot No. 1 4 Confidential 1 Preliminary Datasheet OB_DOC_DS_DM9310 DM9310 Battery Charger Controller Block Diagram Bias CKT Ring Osc. FB Charger State Controller Analog Voltage Detector Gete Driver OUT Ref. Voltage Generator Filter Regulator © On-Bright Electronics VSS VDD Power Supply Confidential 2 Preliminary Datasheet OB_DOC_DS_DM9310 DM9310 Battery Charger Controller Pin Description 8L 1 2 3 4 5 6 7 8 Symbol I/O I I I O FB NC VSS NC NC VDD NC OUT Description Voltage sense input NC Power Supply NC NC Power Supply NC Gate Control Output Operating Conditions Symbol Description Min. Typ. Max. Unit. Remarks TA Operating temperature -40 25 85 ℃ Ambient temperature under bias VDD Supply voltage 1.8 5.5 V 1.3 V Vref Internal reference voltage 1.1 1.2 DC Characteristics TA = -40℃ to 85℃, Vdd= 5.0V Symbol Parameter Valid VIL1 Input Low-voltage VIH1 Input High-voltage OUT, FB OUT, FB VOL Output Low-voltage OUT, FB VOH1 Output High-voltage using Strong Pull-up(1) OUT, FB OUT, FB ILI Output High-voltage using Weak Pull-up(2) Logic 0 Input Current Logical Transition Current Input Leakage Current ICC Power Supply Current VDD, VSS VOH2 IIL ITL © On-Bright Electronics Min Max Units -0.5 0.8 V 2.0 VCC + 0.5 V 0.4 V IOL=4.9mA 90% VCC V IOH= -4.6mA 2.4 V IOH= -14mA 2.4 V IOH= -250uA -75 uA Vin= 0.45V -650 uA Vin= 2.0V ±10 uA 0.45V