Maximum Operating Temperature
: + 85 C
Battery Type
: Li-Ion
Minimum Operating Temperature
: - 40 C
Packaging
: Tube
Output Current
: 2000 mA
Package / Case
: TSSOP-24
Output Voltage
: 2.5 V (Max)
Operating Supply Voltage
: 4.5 V to 28 V
Pinout
DescriptionThe BQ24702PWG4 is a highly integrated battery charge controller and selector tailored for notebook and sub-notebook PC applications. The features of the BQ24702PWG4 are: (1)Dynamic Power Management, DPM Minimizes Battery Charge Time; (2)Integrated Selector Supports Battery Conditioning and Smart Battery Learn Cycle; (3)Zero Volt Operation; (4)Selector Feedback Circuit Ensures Break-Before-Make Transition; (5)±0.4% Charge Voltage Accuracy, Suitable for Charging Li-Ion Cells; (6)±4% Charge Current Accuracy; (7)300-kHz Integrated PWM Controller for High-Efficiency Buck Regulation.
The following is about the absolute maximum ratings of BQ24702PWG4: (1)Supply voltage range: VCC: -0.3 V to 30 V; (2)Battery voltage range: SRP, SRN: -0.3 V to 30 V; (3)Input voltage: ACN, ACP: -0.3 V to 30 V; (4)Virtual junction temperature range, TJ: -40°C to 125°C; (5)Maximum source/sink current VHSP: 50 mA; (6)Maximum ramp rate for VCC: 10 V/ s; (7)Maximum sink current ACPRES, COMP, ALARM: 2.5 mA; (8)Maximum ramp rate for V(BAT): 10 V/ s; (9)Maximum source/sink current BATDRV: 10 mA; (10)Maximum source/sink current ACDRV: 10 mA; (11)Maximum source/sink current PWM: 50 mA; (12)Maximum source/sink current pulsed ACDRV, (10-s rise time, 10-s fall time, 1-ms pulse width, single pulse): 50 mA.
The electrical characteristics of the BQ24702PWG4 are: (1)total chip operating current: 1mA min, 1.6mA typical and 6mA max; (2)total battery sleep current, ac not present: 22A typical and 28A max; (3)low-level output voltage: 0.4V max; (4)low-level input voltage: 0.6V max; (5)high-level input voltage: 1.8V min; (6)sink current(ACPRES): 1.5mA min, 2mA typical and 2.5mA max at VOL=0.4; (7)sink current(ALARM): 1.5mA min, 2mA typical and 2.5mA max at VOL=0.4.
Parameters: | Technical/Catalog Information | BQ24702PWG4 |
| Vendor | Texas Instruments |
| Category | Integrated Circuits (ICs) |
| Battery Type | Multi-Chemistry |
| Function | Charge Management |
| Package / Case | 24-TSSOP |
| Packaging | Tube |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 4.5 V ~ 28 V |
| Drawing Number | 296; 4040064; PW; 8, 14, 16, 20, 24, 28 |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | BQ24702PWG4
BQ24702PWG4
|
BQ24702PWG4 Data Sheet
