s-8209baa-t8t1s Seiko Instruments Inc., s-8209baa-t8t1s Datasheet
s-8209baa-t8t1s
Related parts for s-8209baa-t8t1s
s-8209baa-t8t1s Summary of contents
Page 1
... Select as to overcharge detection voltage > cell-balance detection voltage. *4. Cell-balance release voltage = Cell-balance detection voltage − Cell-balance hysteresis voltage (Cell-balance hysteresis voltage is selectable 0 step.) *5. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage (Overdischarge hysteresis voltage is selectable 0 100 mV step.) *6 ...
Page 2
... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION S-8209B Series Block Diagram CTLD 400 nA CTLC 400 nA Remark The diodes in the IC are parasitic diodes. 2 Delay circuit Overcharge detection comparator + − Cell-balance detection comparator + − Overdischarge detection comparator Figure 1 Seiko Instruments Inc. Rev.2.2 8.31 MΩ + − ...
Page 3
... CU S-8209BAA-I8T1G 4.100 V (2) 8-Pin TSSOP Overcharge detection Product name / Item voltage ( S-8209BAA-T8T1S 4.100 direction of tape specifications I8T1 : SNT-8A, Tape Serial code Sequentially set from direction of tape specifications T8T1 : 8-Pin TSSOP, Tape Serial code Sequentially set from ...
Page 4
... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION S-8209B Series Remark Please contact our sales office for the products with detection voltage value other than those specified above. Users are able to select the overcharge detection voltage, overcharge release voltage, cell-balance detection voltage and cell-balance release voltage from the range shown in Figure 2 and 3. ...
Page 5
... CDT 5 VSS Remark For the external views, refer to the package drawings. Seiko Instruments Inc. S-8209B Series Table 3 Description Pin for charge control Pin for dischage control Connection pin for input positive power supply, for battery’s positive voltage ...
Page 6
... Board size: (2) Board name: JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. Figure 6 Power Dissipation of Package (When mounted on board) ...
Page 7
... Source current DO I DOH Leakage current DO I DOL *1. In the S-8209B Series, users are able to set delay time for the output pins. By using the following formula, delay time is calculated with the value of CDT pin’s resistance in the IC (R [s] = −ln (1− ...
Page 8
... Rev.2.2 CTLC CB CTLD CO S-8209B Series VDD DO CDT VSS A COM Figure 8 Test circuit 2 CTLC CB CTLD CO S-8209B Series VDD DO CDT VSS V V Figure 10 Test circuit 4 A CTLC CB A CTLD CO S-8209B Series DO VDD CDT VSS COM Figure 12 Test circuit 6 _00 100 100 kΩ kΩ ...
Page 9
... Rev.2.2 _00 CTLC CB CTLD CO S-8209B Series DO VDD CDT VSS COM Figure 13 Test circuit 7 BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION Seiko Instruments Inc. S-8209B Series A CTLC CB CTLD CO S-8209B Series VDD DO CDT VSS COM Figure 14 Test circuit ...
Page 10
... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION S-8209B Series Operation Figure 15 shows the operation transition of S-8209B High High-Z Charge * ≥ High ≥ High ≥ Discharge High *1. Operation of charge cell-balance function *2 ...
Page 11
... The electric charge in C starts to be discharged when the delay time has finished. CDT The delay time that users have set for the CO pin, as seen above, is settable for each output pin DO, CB. BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION level; the voltage between VDD and VSS (V ...
Page 12
... Example of Protection Circuit with S-8209B for Series Multi-Cells Figure 16 shows the example of protection circuit with the S-8209B for series multi-cells. Regarding the operation of protection circuit with the S-8209B for series-connected batteries, refer to the application note “S-8209B Series Usage Guidelines”. ...
Page 13
... Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit. • SII claims no responsibility for any and all disputes arising out connection with any infringement by products including this IC of patents owned by a third party. ...
Page 14
... BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION S-8209B Series Characteristics (Typical Data) 1. Current consumption − Ta (1) I OPE −40 − Overcharge detection / release voltages, Cell-balance detection / release voltages, Overdischarge detection / release voltages − 4.12 4.11 4.10 4.09 4.08 4.07 −40 −25 0 − ...
Page 15
... CTLC / CTLD pin current − ( 3.5 V) CTLCL DS 600 500 400 300 200 100 0 −40 − CDT pin resistance / CDT pin detection voltage − Ta (1) R CDT 12.0 10.0 8.0 6.0 4.0 2.0 0 −40 −25 0 BATTERY PROTECTION IC WITH CELL-BALANCE FUNCTION (2) I 2.0 2.5 3.0 3.5 V [ ...
Page 16
...
Page 17
...
Page 18
...
Page 19
...
Page 20
...
Page 21
...
Page 22
...
Page 23
... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of Seiko Instruments Inc. is strictly prohibited. The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc ...