DS2715Z+ Maxim Integrated Products, DS2715Z+ Datasheet - Page 4

• Manufacturer Part Number: DS2715Z+
• Description: IC NIMH CHARGER 16-SOIC
• Manufacturer: Maxim Integrated Products

Specifications of DS2715Z+

• Function: Charge Management
• Battery Type: Nickel Metal Hydride (NiMH)
• Voltage - Supply: 4.5 V ~ 16 V
• Operating Temperature: -20°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Operating Supply Voltage: 16.5 V
• Supply Current: 1.3 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 20 C
• Charge Safety Timers: Yes
• Mounting Style: SMD/SMT
• Temperature Monitoring: Yes
• Uvlo Start Threshold: 3.9 V
• Uvlo Stop Threshold: 35 mV
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
Note 7:
DETAILED PIN DESCRIPTION
dT/dt Blanking Time
PRECHARGE Timeout
FAST-CHARGE Timer
Range
TOPOFF to FAST-
CHARGE Duration Ratio
PIN
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
PARAMETER
NAME
MODE
SNS+
Voltages relative to V
Does not include current through V
Below this voltage no I/O pins are active.
Does not include tolerance of R
V
Specified temperature thresholds are only valid if recommended thermistor types are used.
Specification is guaranteed by design.
LED1
SNS-
V
C
DNC
THM
CTG
CTG
V
DIV
V
V
V
BIAS
R
BATT
BIAS
CH
DD
SS
SS
T
and resistor tolerances must be added to determine actual threshold.
Bypass for Internal Voltage Regulator
Cell Stack Charge Control Output
Chip Supply Return and Local Ground Reference
Charging Indicator Output
Do Not Connect
Chip Supply Return and Local Ground Reference
Connect to Local Ground (V
Connect to Local Ground (V
Mode Select. Connect to V
mode of operation.
Thermistor Divider. Stable output to form a resistor divider for measuring
temperature on THM
Positive Current Sense. Connect to the charge source side of the sense resistor
Negative Current Sense. Connect to the cell stack side of the sense resistor
Chip Supply Input: +4.5V to +16.5V range
Failsafe Timeout. Timeout is selected by an external resistor from R
Thermistor Input. Connect to a thermistor located in the cell pack and a divider
resistor from the Div pin
Battery Voltage Sense Input. Connect to a divider from the positive terminal of the
cell stack to measure the voltage of a single cell
SYMBOL
SS
t
t
.
BLANK
PC-TO
t
FC
T
resistor.
CH
DS2715
DS2715B
, R
T
, and DIV pins.
CONDITIONS
SS
SS
SS
for linear mode of operation or C
)
)
4 of 17
DESCRIPTION
3.85
MIN
0.5
TYP
BIAS
4.3
1:2
1:4
30
for comparator
T
to V
MAX
4.75
SS
6
UNITS
Hours
Min
Min