BQ24130_15 Datasheet, PDF (6/29 Pages) Texas Instruments – 600-kHz Synchronous Switch-Mode Host-ControlledBattery/Supercapacitor Charger With 4-A Integrated MOSFETs

bq24130
SLUSAN2C – JULY 2011 – REVISED JUNE 2012
ELECTRICAL CHARACTERISTICS (continued)
4.5 V ≤ V_{(PVCC, AVCC)} ≤ 17 V, -40°C < T_J < 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
REGN REGULATOR
V_{(REGN_REG)}
REGN Regulator Voltage
I_{(REGN_LIM)}
REGN Current Limit
INTERNAL PWM
V_(AVCC) > 10 V, 0mA - 40 mA, ISET1 > 100 mV
V_(REGN) = 0 V, V_(AVCC) > UVLO
PWM Switching Frequency
Driver Dead Time
Dead time when switching between LSD and HSD,
no load
R_{(DS_HI)}
High Side MOSFET On Resistance
V_(BTST) – V_(SW) = 5.5 V
R_{(DS_LO)}
Low Side MOSFET On Resistance
V_(BTST)
Bootstrap Refresh Comparator Threshold
Voltage
V_(BTST) – V_(SW) when low side refresh pulse is
requested, V_(VCC) = 4.5 V
V_(BTST) – V_(SW) when low side refresh pulse is
requested, V_(VCC) > 6 V
INTERNAL SOFT START (8 steps to regulation current I_(CHG))
Soft Start Steps
Soft Start Step Time
CHARGER SECTION POWER-UP SEQUENCING
Charge-Enable Delay after Power-up ⁽²⁾
Delay from ISET1 above 120 mV to start charging the
battery
INTEGRATED BTST DIODE
V_F
Forward Bias Voltage
V_R
Reverse breakdown voltage
LOGIC IO PIN CHARACTERISTICS
I_F = 120 mA at 25°C
I_R = 2 µA at 25°C
V_{(OUT_LO)}
V_{(CELL_LO)}
V_{(CELL_MID)}
V_{(CELL_HI)}
R_{(CELL_GND)}
STAT Output Low Saturation Voltage
CELL pin input low threshold, 1 cell
CELL pin input mid threshold, 2 cells
CELL pin input high threshold, 3 cells
Resistance between CELL to ground to
keep CELL LOW [1]
Sink Current = 5 mA
CELL pin voltage falling edge
CELL pin voltage rising for MIN, falling for MAX
CELL pin voltage rising edge
V_IL
CMOD Low-level input voltage threshold
I_IL = 5 µA
V_IH
CMOD High-level input voltage threshold
I_IL = 20 µA
(2) Specified by Design
www.ti.com
MIN TYP MAX UNIT
5.7
6
6.3
V
40
120 mA
500
600
700 kHz
30
ns
25
45 mΩ
60
110 mΩ
3
V
4
V
8
step
1.6
3 ms
2
5 ms
0.85
V
20
V
0.5
V
0.5
V
0.8
1.8
V
2.5
V
120 kΩ
0.8
V
2.1
V
6
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