pt6105 China Resources Powtech (Shanghai) Co., Ltd, pt6105 Datasheet - Page 6

• Manufacturer Part Number: pt6105
• Description: Multi-cell Battery Management Front End With I 2 C Interface
• Manufacturer: China Resources Powtech (Shanghai) Co., Ltd

ELECTRICAL CHARACTERISTICS
5V Digital Regulator (VDDD)
ADC
Abnormal battery voltage measurement
V
V
I
Note1: The ADC outputs correct code under such VIN input range;
Note2: I
Note3: Load monitor is only used to detect whether the load is removed, when light load or short-circuit is taking
China Resources Powtech (Shanghai) Limited
PT6105_DS Rev EN_1.1
SYMBOL
2
∆V
BREV
BDC
C Interface
VDDD
t
G
HD:SDA
∆V
∆VB
Vref
G
f
I
V
V
I
CLK
R
vddd
TEMP
DS_CS
SC
IDS
IH
IL
P
TS
2
C communication between chip and MCU is guaranteed under such VIN input voltage range;
Output voltage
Output Current
Short circuit current
Conversion resolution
Settling time
Reference voltage
Battery voltage measurent
Error
Voltage error at TS pin
External
Pre-amplifier Gain
Voltage error at DS_CS
pin
Discharging
Sensing Preamplifier gain
Reversed battery polarity
Battery disconnected
SCL Clock Frequency
Input Data Setup Time
Digital Input Voltage Low
Digital Input Voltage High
SDA and SCL Internal
Pull-up Resistor
ITEMS
temperature
Current
T = -40~85℃
Normal operation
Sleep mode
VDDD=0
T = -40~85℃
VIN≥7V
T = -40~85℃
VIN<7V
T = -40~85℃
V
T = -40~85℃
V
T = -40~85℃
(Note 4)
The first battery needs an external
resistor connecting to ground
IN
DS_CS
>6V, V
=0.5V
WWW.CRPOWTECH.COM
(CONTINUED)
TS
CONDITIONS
=2.5V
vbn=4.2V(n=1~7)
vbn=2V(n=1~7)
vbn=4.5V(n=1~7)
vbn=3V(n=1~7)
vbn=2V(n=1~7)
VIN≥7V
7>VIN≥5V
VIN≥7V
7>VIN≥5V
Multi-cell Battery Management
Front End with I
Min.
4.8
3.2
2.5
45
4
1
Typ.
100
2.5
10
10
10
25
10
PT6105
5
2
1
5
2
C Interface
Max.
100
5.2
0.7
0.7
0.5
25
50
35
75
10
Page 6
UNIT
KHz
V/V
V/V
Bits
kΩ
mA
mA
mA
mV
mV
ms
us
%
V
V
V
V
V