MAX8765ETI+ Maxim Integrated Products, MAX8765ETI+ Datasheet - Page 10

• Manufacturer Part Number: MAX8765ETI+
• Description: IC CHARGER BATTERY 28-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8765ETI+

• Function: Charge Management
• Battery Type: Multi-Chemistry
• Voltage - Supply: 8 V ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Cost Multichemistry Battery Chargers
ELECTRICAL CHARACTERISTICS (continued)
(V
REF, V
per Figure 1a; T
Note 1: If both ICTL and VCTL use default mode (connected to LDO), REFIN is not used and can be connected to LDO.
Note 2: Specifications to T
(Circuit of Figure 1, V
10
500mV/div
500mV/div
ERROR AMPLIFIERS
GMV Amplifier Transconductance
GMI Amplifier Transconductance
GMS Amplifier Transconductance
CCI, CCS, CCV Clamp Voltage
LOGIC LEVELS
CELLS Input Low Voltage
CELLS Input Open Voltage
CELLS Input High Voltage
ACOK AND SHDN
ACOK Input Voltage Range
ACOK Sink Current
SHDN Input Voltage Range
SHDN Threshold
DCIN
2A/div
5V/div
V
V
I
V
BATT
BATT
CCV
CCI
______________________________________________________________________________________
BST
= V
ICTL = LDO
VCTL = LDO
(BATTERY INSERTION AND REMOVAL)
PARAMETER
CSSP
- V
LOAD-TRANSIENT RESPONSE
LX
A
= V
= 4.5V, ACIN = GND = PGND = 0, C
= -40°C to +85°C, unless otherwise noted.) (Note 2)
CSSN
DCIN
1ms/div
CCI
CCV
= 18V, V
= 20V, T
A
= -40°C are guaranteed by design and not production tested.
MAX1908 toc01
BATT
A
SYMBOL
= +25°C, unless otherwise noted.)
GMV
GMS
GMI
= V
CSIP
500mV/div
500mV/div
CURRENT
CURRENT
ADAPTER
V
C E LLS = V
V
V
0.25V < V
CELLS = open
V
V
= V
5A/div
5A/div
2V/div
LOAD
V
V C T L
ICTL
CLS
V
ACOK
SHDN
V
BATT
CCS
CCI
CSIN
= V
ICTL = LDO
CHARGING CURRENT = 3A
V
LOAD STEP = 0 TO 4A
I
= V
SOURCE
LDO
= V
BATT
= 0.4V, V
falling
REF
= 12V, V
RE F IN
LD O
CCV,CCS,CCI
= 16.8V
LOAD-TRANSIENT RESPONSE
RE F IN
= 1µF, LDO = DLOV, C
LIMIT = 5A
(STEP IN-LOAD CURRENT)
, V
, V
, V
CSSP
CONDITIONS
BAT T
ACIN
CSIP
REFIN
CCI
CCS
1ms/div
- V
= 16.8V ,
= 3V
- V
< 2V
Typical Operating Characteristics
CSSN
= 3V, V
CSIN
= 75mV
= 75mV
VCTL
MAX1908 toc02
CCI
CCS
REF
= V
= 1µF; CCI, CCS, and CCV are compensated
0
0
16.8V
ICTL
CURRENT
CURRENT
CURRENT
ADAPTER
CHARGE
= 0.75 x V
5A/div
5A/div
2A/div
2V/div
V
LOAD
BATT
(V
/2) -
0.2V
V
0.0625
- 0.4V
MIN
REFIN
150
REFIN
0.5
0.5
22
ICTL = LDO
CHARGING CURRENT = 3A
V
LOAD STEP = 0 TO 4A
I
0
1
0
SOURCE
BATT
= 16.8V
LOAD-TRANSIENT RESPONSE
REFIN
LIMIT = 5A
(STEP IN-LOAD CURRENT)
TYP
, CELLS = open, CLS =
1ms/div
( V
0.250
MAX
/2) +
LDO
0.2V
600
R E F IN
2.0
2.0
0.4
28
25
UNITS
V
µA/mV
µA/mV
µA/mV
MAX1908 toc03
% of
REFIN
mV
mA
V
V
V
V
V
0
0
0