aoz9004b Alpha & Omega Semiconductor, aoz9004b Datasheet
aoz9004b
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aoz9004b Summary of contents
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... General Description The AOZ9004B is a battery protection IC with integrated dual common-drain N-channel MOSFET. The device includes accurate voltage detectors and delay circuits, and is suitable for protecting single-cell lithium-ion / lithium-polymer rechargeable battery packs from overcharge, over-discharge, and over-current conditions. The AOZ9004B is available in an 8-pin TSSOP package and is rated over a -40° ...
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... The delay times can have the range specified in Table 2. Please contact our Sales department if you wish to order non-standard values and for additional information. 2. Combination 1 is the default delay time combination for AOZ9004BI-02. 3. Combination 2 is the default delay time combination for AOZ9004BI, AOZ9004BI-01, and AOZ9004BI-03. 4. Combination 5 is the default delay time combination for AOZ9004BI-04. Table 2. Delay Time Selection Range ...
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... Input Supply Pin. Connect a 0.1µF capacitor between VDD and VSS Internally Connected Pin. This pin is for test purposes only. Always leave this pin unconnected . Rev. 1.1 February 2007 VSS VCC OUTM 5 IC TSSOP-8 (Top View) Pin Function www.aosmd.com AOZ9004B Page ...
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... Over-Charge Comp Charger Detection Discharge Over-Current Comp Charge Over-Current Comp Short-Circuit Comp Battery Protection IC N2 Dual Common-Drain MOSFET AOZ9004B Figure 2. AOZ9004B Function Block Diagram 2 FR-4 board with 2-oz. copper still air www.aosmd.com AOZ9004B EB+ 0V Battery Charge Function VDD R VDM VM R VMS R2 2k ...
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... -40°C to +85° 25° DIOV T = -40°C to +85° DIOV AOZ9004BI 25°C A AOZ9004BI -40°C to +85°C A AOZ9004BI-01/02/03/04 25°C A AOZ9004BI-01/02/03/04 -40°C to +85° 25° -40°C to +85° 25°C ...
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... 25° -40°C to +85° 25° -40°C to +85° 25° -40°C to +85° 25° -40°C to +85°C A www.aosmd.com AOZ9004B Min. Typ. Max. Unit µ µ 1.4 0.96 1.2 s 0.7 1.2 2 120 150 180 ms ...
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... On-Resistance vs. Junction Temperature 1.8 1.6 =2.5V DD 1.4 V =4.5V DD 1 Body-Diode Characteristics 1.0E+01 I =3A D 1.0E+00 1.0E-01 1.0E-02 125 C 1.0E-03 1.0E-04 1.0E-05 0.0 0 www.aosmd.com AOZ9004B Transfer Characteristics . (Volts =4. = =2. = 100 125 150 175 Temperature ( C) 125 0.4 0.6 0.8 1.0 1.2 V (Volts) SD Page ...
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... AOZ9004B releases the over- discharge status and turns on the discharging MOSFET when the battery voltage reaches over-discharge detection voltage (V lower than -0.7V (Typ.), the AOZ9004B releases the over- discharge status and turns on the discharging MOSFET when the battery voltage reaches over-discharge detection voltage (V ...
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... MOSFET gate is fixed to the EB- pin voltage to inhibit charging. When the battery voltage is the 0V battery charge inhibition battery voltage (V charging can be performed. www.aosmd.com AOZ9004B ) or a 0CHA ), the AOZ9004B enters lower, the charging control 0INH ) or higher, 0INH Page ...
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... Battery Current Discharge Pin DIOV Voltage EB- (1) Mode Mode: 1. Normal Mode 2. Overcharge Mode 3. Over-Discharge Mode Figure 3. Overcharge and Over-discharge Detection Timing Diagram Rev. 1.1 February 2007 Connect Connect Charger Load (2) (1) (3) www.aosmd.com AOZ9004B Connect Charger (1) Page ...
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... Charge Battery Current t DIOV Discharge Pin V short Voltage V DIOV V SS Normal Load (1) Mode Mode: 1. Normal Mode 4. Discharge Over-current Mode Figure 4. Discharging Over-current Detection Timing Diagram Rev. 1.1 February 2007 t SHORT Overcurrent Short Load Circuit (4) (1) (4) www.aosmd.com AOZ9004B Normal Load (1) Page ...
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... DD VM Pin Voltage CIOV V EB- (3) Mode Mode: 1. Normal Mode 3. Over-Discharge Mode 5. Discharge Over-Current Mode Figure 5. Charging Over-current Detection Timing Diagram Rev. 1.1 February 2007 t CIOV Connected Charger with Charge Overcurrent (1) (5) (1) www.aosmd.com AOZ9004B t CIOV Connected Charger with Charge Overcurrent (5) Page ...
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... VDD pin. R1 also provides ESD protection and serves as an current-limiting resistor in the event of charger reverse connection. The supply current of AOZ9004B has to flow through R1 small R1 should be chosen to guarantee detection accuracy of VDD voltage. Choose a resistor value between 100 and 330 for R1. Choose the value 0.022µ ...
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... C D 2.90 3.00 3. 6.40 BSC E E1 4.30 4.40 4. 0.65 BSC e L 0.45 0.60 0. — 8 www.aosmd.com AOZ9004B Seating Plane 0.25 L Min. Nom. Max. — — 0.047 0.002 — 0.006 0.031 0.039 0.041 0.007 — 0.012 0.004 — 0.008 0.114 0.118 0.122 0.252 BSC 0.169 0.173 0.177 0.026 BSC ...
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... See Note 3 P2 See Note 8.00 1.50 12.00 1.75 5.50 Min. 0.30 0.10 0.05 0. 13.00 16.00 ø13.50 10.60 2.00 +1.50/-0.00 1.00 0.50 0.50 Components Tape Orientation in Pocket 125 empty pockets www.aosmd.com AOZ9004B See Note 5 Feeding Direction 4.00 2.00 0.30 0.10 0.10 0. — — — Leader Tape 500mm min. or Page ...
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... AOZ9004B Package Marking Fab & Assembly Location Rev. 1.1 February 2007 Z9004B Part Number Code FAY WLT Assembly Lot Code Year & Week Code www.aosmd.com AOZ9004B Page ...