Loading [MathJax]/jax/output/SVG/fonts/TeX/fontdata.js
DATA SHEET
BQ27520-G4 System-Side Impedance Track™ Fuel Gauge With Integrated LDO
1 Features
- Single-series
cell
Li-ion
battery
fuel
gauge
resides
on
system
board
- Integrated 2.5 VDC
LDO
- External
low-value
10-mΩ
sense
resistor
- Patented Impedance
Track™
technology
- Adjusts for
battery
aging,
self-discharge,
temperature,
and
rate
changes
- Reports
remaining
capacity,
state-of-charge
(SOC), and
time-to-empty
- Optional
smoothing
filter
- Battery
state-of-health
(aging)
estimation
- Supports
embedded
or
removable
packs
with up to 14500-mAh
capacity
- Accommodates
pack
swapping
with two
separate
battery
profiles
- Microcontroller
peripheral supports
- 400-kHz I2C
serial
interface
- 32
bytes
of
scratch-pad
FLASH NVM
- Battery
low
digital
output
warning
- Configurable SOC
interrupts
- External
thermistor,
internal
sensor,
or
host-reported
temperature
options
- Tiny 15-pin, 2610 × 1956 µm,
0.5-mm pitch
NanoFree™ (DSBGA)
package
