S-8233AGFE Seiko, S-8233AGFE Datasheet
S-8233AGFE
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S-8233AGFE Summary of contents
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... Contents Features .............................................................. 1 Applications ......................................................... 1 Selection Guide ................................................... 2 Block Diagram ..................................................... 3 Pin Assignment ................................................... 4 Pin Description .................................................... 4 Absolute Maximum Ratings ................................. 4 Electrical Characteristics ..................................... 5 Measurement Circuits.......................................... 7 Description .......................................................... 12 Operation Timing Charts ..................................... 15 Battery Protection IC Connection Example.......... 17 Precautions ......................................................... 18 Characteristics (typical characteristics)................ 19 Dimensions, Taping............................................. 23 ...
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... Internal high-accuracy voltage detection circuit Ÿ Over charge detection voltage Ÿ Over charge release voltage (The over charge release voltage can be selected within the range where a difference from over charge detection voltage 0.3 V) Ÿ Over discharge detection voltage Ÿ Over discharge release voltage (The over discharge release voltage can be selected within the range where a difference from over discharge detection voltage ...
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... Selection Guide Model/Item Over charge detection voltage S-8233ACFE/FT 4.25±0.05V S-8233ADFE/FT 4.10±0.05V S-8233AEFE/FT 4.25±0.05V S-8233AFFE/FT 4.35±0.05V S-8233AGFE/FT 4.25±0.05V S-8233AIFE/FT 4.25±0.05V S-8233AJFE/FT 4.35±0.05V S-8233AKFE/FT 4.35±0.05V S-8233ALFE/FT 4.35±0.05V S-8233AMFE/FT 4.35±0.05V Without over charge detection hysteresis. ...
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... Block Diagram VCC CD1 VC1 CD2 VC2 CD3 VSS The delay time for over current detection 2 and 3 is fixed by an internal IC circuit. The delay time cannot be changed via an external capacitor. Battery Protection IC(for a 3-serial-cell pack) Reference voltage 1 Battery 1 Over charge Battery 1 ...
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... DOP Connects FET gate for discharge control (CMOS output COP Connects FET gate for charge control (Nch open-drain output VMP Detects voltage between VCC to VMP(Over current detection pin COVT Connects capacitor for over current detection1delay circuit 5 6 CDT ...
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... TIOV3 delay time3 Operating voltage Operating voltage VDSOP between VCC and VSS Current consumption Current consumption IOPE (during normal operation) Current consumption for ICELL2 cell 2 Battery Protection IC(for a 3-serial-cell pack) Table 4 condition Test Notice circuit 1 1 4.10 to 4.35 Adjustment 1 1 3.85 to 4.35 Adjustment 1 1 2.00 to 2.70 Adjustment ...
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... Voltage temperature factor 2 indicates over current detection voltage. (*3) The DOP and COP logic must be established for the operating voltage. (*4) If over current detection voltage 1 is 0.50 V, both over current detection voltages 1 and 2 are 0.54 to 0.55 V, but VIOV2 > VIOV1. (*5) This spec applies for only 0 V battery charging function available type. ...
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... Set V1, V2, and V3 to 3.5 V and under normal condition. Fix the COVT terminal at VSS, increase V4 gradually from 400 ms. The V4 voltage when DOP = 'H" and COP = 'H' is over current detection voltage 3 (VI0V3). (5) Measurement 5 Measurement circuit 3 Set S1 to ON, V1, V2, and ...
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... S-8233A Series (7) Measurement 7 Measurement circuit 4 Set OFF, V1, V2, and V3 to 3.5 V, and under normal condition. Increase V5 from 0 V gradually. The V5 voltage when DOP'L' voltage (VD0 (L)). Set S1 to OFF ON, V1, V2 3.5 V, and V4 to VIOV2+0.1 V under over current condition. ...
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... V under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when the CD1'H' voltage (VCD1(H)). Set S2 to ON, S1, S3, S4, S5, and S6 to OFF 4 and V3 to 3.5 V and V5, V6, and under over charge condition. Increase V4 from 0 V gradually. The V4 voltage when the CD2'H' voltage (VCD2(H)) ...
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... Battery Protection IC(for a 3-serial-cell pack) S-8233A Series DOP COP VCC V1 CD1 VC1 V2 CD2 VC2 V3 CD3 VSS Measurement circuit COP DOP I1 VCC V1 CD1 I2 VC1 V2 CD2 I3 VC2 V3 CD3 VSS Measurement circuit DOP COP VCC V1 CD1 VC1 V2 CD2 VC2 V3 CD3 VSS Measurement circuit 5 ...
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... V3 CD3 VSS Measurement circuit 7 I1 DOP COP VCC V1 CD1 VC1 CCT V2 CD2 VC2 V3 CD3 COVT VSS Measurement circuit 9 Battery Protection IC(for a 3-serial-cell pack) VMP CTL CCT C1 S1 CDT C2 COVT C3 VMP CTL CDT Seiko Instruments Inc. S-8233A Series 1M DOP COP VCC I1 VMP ...
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... VCC potential. The IC detects that the VMP terminal potential returns to over current detection voltage 1 (VIOV1) or lower (or the over current detection voltage 2 (VIOV2) or lower if the COVT terminal is fixed at the 'L' level and over current detection 1 is inhibited) and returns to the normal condition. ...
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... TCU[S] =Delay factor ( 1.07, 2.13, 3.19) C4 [uF] TDD[S] =Delay factor ( 0.20, 0.40, 0.60) C5 [uF] TIOV1[S]=Delay factor ( 0.10, 0.20, 0.30) C6 [uF] Note: The delay time for over current detection 2 and 3 is fixed by an internal IC circuit. The delay time cannot be changed via an external capacitor. CTL terminal If the CTL terminal is floated under normal condition pulled up to the VCC potential in the IC, and both the charging and discharging FETs turn off to inhibit charging and discharging ...
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... Voltage temperature factor 1 indicates over charge detection voltage, over charge release voltage, over discharge detection voltage, and over discharge release voltage. Voltage temperature factor 2 indicates over current detection voltage. The Voltage temperature factors 1 and 2 are expressed by the oblique line parts in Figure 3. Ex. Voltage temperature factor of over charge detection voltage V ...
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... Charger connected Load Delay connected Mode • Note: • Normal mode, ‚ The charger is assumed to charge with a constant current. Vcha indicates the open voltage of the charger. Battery Protection IC(for a 3-serial-cell pack) V2 battery V1 battery Hi-z Hi-z Delay ‚ • ‚ Over charge mode, ƒ ...
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... Load connected Delay Mode • ƒ • ‚ Note: Normal mode, Over charge mode, The charger is assumed to charge with a constant current. Vcha indicates the open voltage of the charger. 3. Over current detection Vcu Vcd Battery Vdu voltage Vdd Vcc DOP terminal Vss ...
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... R1, R2, and R3 must less. Notes any electrostatic discharge of 2000 V or higher is not applied to the S-8233 series with a human body model, R1, R2, R3, C1, C2, and C3 are unnecessary. l The above connection diagram and constants do not guarantee proper operations. Evaluate your actual application and set constants properly. ...
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... If any one of the battery voltages is equal to or lower than the over discharge release voltage (VDU) when they are connected for the first time, the normal condition may not be entered. If the VMP terminal voltage is made equal to or higher than the VCC voltage (if a charger is connected), the normal condition is entered ...
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... VDD=2.35[V] 2.95 VDU [V] 2.85 2. 100 VIOV1=0.3[V] 0.65 VIOV2 [V] 0.60 0. 100 Seiko Instruments Inc. S-8233A Series -40 - -40 - Over current 2 detection voltage vs. temperature -40 - VCD=4.10[ 100 VDU=2.85[ 100 VIOV2=0.6[ 100 19 ...
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... Seiko Instruments Inc. Current consumption vs. temperature in power-down mode 1.0 0.5 0.0 -40 - Over discharge detection time vs. temperature -40 - Over current 2 detection time vs. temperature -40 - Rev.2.0 VCC=4.5[ 100 C=0.1[uF] VCC=8.5[V] 80 100 VCC=10.5[ 100 ...
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... Rev.2.0 Over current 3 (load short) detection time vs. temperature 0.40 TIOV3 [mS] 0.25 0.10 -40 - Delay time vs. power supply voltage Over current 3 (load short) detection time vs. power supply voltage 1.0 TIOV3 [mS] 0.5 0 Battery Protection IC(for a 3-serial-cell pack) VCC=6.0[ 100 Ta=25 VCC [V] Seiko Instruments Inc. ...
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... Battery Protection IC(for a 3-serial-cell pack) S-8233A Series * Please design all applications of the S-8233 Series with safety in mind. 22 Seiko Instruments Inc. Rev.2.0 ...
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... When the products described herein include Strategic Products (or Service) subject to regulations, they should not be exported without authorization from the appropriate governmental authorities. The products described herein cannot be used as part of any device or equipment which influences the human body, such as physical exercise equipment, medical equipment, security system, gas ...