NCP802SAN6T1 ONSEMI [ON Semiconductor], NCP802SAN6T1 Datasheet
NCP802SAN6T1
Related parts for NCP802SAN6T1
NCP802SAN6T1 Summary of contents
Page 1
NCP802 Highly Integrated Lithium Battery Protection Circuit for One Cell Battery Packs The NCP802 resides in a lithium battery pack where the battery cell continuously powers it. This circuit senses cell voltage, charge current, and discharge current, and correspondingly controls ...
Page 2
V NCP802 Gnd DO CO Figure 1. Typical One Cell Lithium Ion Battery Pack NCP802 cell P− http://onsemi.com 2 ...
Page 3
V cell 5 VD1 VD2 6 Gnd Pin # Pin # SOT23−6 SON−6 Symbol This output connects to the gate of the discharge MOSFET allowing it to enable or disable battery pack discharging P− This ...
Page 4
CONNECT CHARGER V DET1 VCELL DET3 −P Gnd V DET4 t DET1 P− CHARGE CURRENT CHARGE/ DISCHARGE 0 CURRENT DISCHARGE CURRENT Figure 3. Overvoltage/Excess Charge Current Timing Chart NCP802 CONNECT CONNECT CONNECT LOAD CHARGER ...
Page 5
CONNECT LOAD VCELL V DET2 short V −P DET3 Gnd V DET4 t DET2 V DD Gnd DO CHARGE CURRENT CHARGE/ DISCHARGE 0 CURRENT DISCHARGE CURRENT Figure 4. Undervoltage/Excess Discharge Current Timing Chart NCP802 CONNECT CONNECT CONNECT ...
Page 6
MAXIMUM RATINGS Rating Supply Voltage (Pin 5 to Pin 6) Input Voltage P− Pin Voltage (Pin 5 to Pin 2) DS Pin Voltage (Pin 4 to Pin 6) Output Voltage CO Pin Voltage (Pin 3 to Pin 2) DO Pin ...
Page 7
ELECTRICAL CHARACTERISTICS ( for min/max values T is the operating junction temperature that applies, unless otherwise noted Characteristic VOLTAGE SENSING Cell Charging Cutoff (Pin 5 to Pin 6) Overvoltage Threshold, V Increasing DD (R1 = ...
Page 8
ELECTRICAL CHARACTERISTICS ( for min/max values T is the operating junction temperature that applies, unless otherwise noted Characteristic OUTPUTS Charge Gate Drive Output Low (Pin 3 to Pin 2) (V Charge Gate Drive Output High ...
Page 9
T , AMBIENT TEMPERATURE ( C) A Figure 5. Overvoltage Threshold vs. Temperature −60 −40 − AMBIENT ...
Page 10
T , AMBIENT TEMPERATURE ( C) A Figure 11. Excess Discharge Current Threshold vs. Temperature 1.8 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 −60 −40 −20 0 ...
Page 11
T , AMBIENT TEMPERATURE ( C) A Figure 17. Excess Charge Current Release Time vs. Temperature 700 600 500 400 300 200 100 0 ...
Page 12
T , AMBIENT TEMPERATURE ( C) A Figure 23. CO NCH Driver Output vs. Temperature 0.4 0.3 0.2 0.1 0 −60 −40 − ...
Page 13
V , OPERATING VOLTAGE (V) DD Figure 29. Overvoltage Delay Time vs. Operating Voltage 1.5 1.0 2.0 V ...
Page 14
V , OPERATING VOLTAGE (V) DD Figure 35. Excess Charge Current Delay Time vs. Operating Voltage 700 600 500 400 300 200 100 0 2 2.5 ...
Page 15
NCP802 2 1.8 1.6 V − GND = 0 DD 1.4 1.2 1 0.8 0.6 0.4 0.2 0 − AMBIENT TEMPERATURE ( C) A Figure 41. Minimum Operating Voltage for 0 V Charging vs. Temperature http://onsemi.com ...
Page 16
A VCELL P− GND B VCELL P− CO GND C VCELL P− GND D VCELL P− DO GND NCP802 VCELL P− GND G VCELL P− GND H VCELL P− GND Figure 42. Test ...
Page 17
I VCELL P− GND J A VCELL DO P− GND M V Overvoltage Detection The overvoltage detector (VD1) monitors the VCELL pin voltage. When the VCELL voltage crosses the overvoltage detector threshold (VDET1) from a low value to ...
Page 18
Undervoltage Detection The undervoltage detector (VD2) monitors the VCELL pin voltage. When the VCELL voltage crosses the undervoltage threshold (VDET2) from a high value to a value lower than VDET2, VD2 senses an undervoltage condition, and an external, discharge control, ...
Page 19
Technical Notes R1 and C1 will stabilize a supply voltage to the NCP802. A recommended R1 value is less than 1 larger value of R1 leads to higher detection voltages. There may also be voltage detector errors from ...
Page 20
... Device NCP802SN1T1 NCP802SAN1T1 NCP802SAN1T1G NCP802SAN5T1 NCP802SAN6T1 NCP802SAN6T1G †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. NCP802 ORDERING INFORMATION Package Marking Code SOT23−6 KN SON−6 KN SON−6 KN (Pb− ...
Page 21
E 0. PIN 1 IDENTIFIER É É É É É q É É É É É NCP802 PACKAGE DIMENSIONS SOT23−6 SN SUFFIX PLASTIC PACKAGE ...
Page 22
0.10 (0.004) J −T− SEATING PLANE 0.15 (0.010 NCP802 PACKAGE DIMENSIONS SON−6 SAN SUFFIX PLASTIC PACKAGE CASE 494−01 ISSUE 0 NOTES: ...
Page 23
ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for ...