MAX8568AETE+T Maxim Integrated Products, MAX8568AETE+T Datasheet - Page 4

• Manufacturer Part Number: MAX8568AETE+T
• Description: IC BATT MANAGE LITH 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8568AETE+T

• Function: Back-Up Management
• Battery Type: Lithium-Ion (Li-Ion); Nickel-Metal Hydride (NiMH)
• Voltage - Supply: 2.8 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Complete Backup-Management ICs
for Lithium and NiMH Batteries
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 7, V
R5 = 250kΩ, T
4
IN Voltage Range
IN Operating Current
CHGI Current Limit
CHGI Resistor Range
BK Charge Voltage Limit
NiMH Mode BK High Threshold Voltage,
V
NiMH Mode BK Low Threshold Voltage,
V
REF Output Voltage
REF Load Regulation
REF Line Regulation
INOK Threshold Voltage
NI/LI Logic-Level High
NI/LI Logic-Level Low
OD_ On-Resistance
BACKUP STEP-UP (Note 2)
BK Input Undervoltage Lockout
BK Input Voltage
Quiescent Current into BKSU
Quiescent Current into BK
BKV Feedback Voltage
BKSU Output-Voltage Accuracy
BKSU Output Voltage Range
n-Channel Switch On-Resistance
p-Channel Switch On-Resistance
BK(NIHI)
BK(NILO)
_______________________________________________________________________________________
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
PARAMETER
IN
= V
INOK
= 3.6V, V
BK
= 1.4V, V
Charger on, not including charge current
R
V
V
V
V
V
V
I
I
V
V
V
V
V
V
V
I
I
V
V
I
I
REF
REF
LDO
BKSU
LX
LX
BK
IN
IN
IN
TERMV
STRTV
IN
INOK
INOK
BKSU
BKSU
BKSU
NI/LI
BKV
BKV
CHGI
= 200mA
= 200mA
= 5.5V, V
= 3.8V, V
= V
= 3V to 5.5V, I
= 1.3V
= 1µA
= 1µA to 50µA
= 0mA, not switching
= 0V
= V
NI/LI
= V
= I
falling
rising
= 169kΩ, V
= 3.3V
= 3.3V
= 3.6V
NI/LI
= 1.2V
= 1.2V
LDO
BKSU
BKSU
= V
= 3.6V
NI/LI
NI/LI
= 0mA, not switching
BKSU
CONDITIONS
= 3.3V, falling trip point
= 0V
= 0V, V
REF
BK
= 3.3V, V
= 1.3V
= 1µA
TERMV
BKV
= 1V
A
= GND = PGND = 0V, V
= +25°C.) (Note 3)
4.116
3.420
1.746
1.225
1.162
1.37
1.17
2.38
2.40
1.05
3.17
MIN
2.8
1.8
2.4
2.5
50
8
STRTV
= V
4.310
3.605
1.854
1.275
1.258
MAX
1800
1.43
1.23
2.48
2.54
1.21
3.43
5.5
0.4
5.5
2.6
5.0
90
12
10
30
25
7
4
1
2
TERMV
UNITS
= 1.2V,
mA
mV
mV
µA
kΩ
µA
µA
Ω
Ω
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V