Description:The ISL9301 is a fully integrated high input voltage single-cell Li-ion battery charger with power path management function. This charger performs the CC/CV charge function required by Li-ion batteries. The charger accepts an input voltage up to 28V but is disabled when the input voltage exceeds 10.5V OVP threshold. The 28V rating eliminates the overvoltage protection circuit required in a low-voltage charger. The charge current and the end-of-charge (EOC) current are programmable with external resistors. W
RECHARGE VOLTAGE THRESHOLD IS -150 MV;MAXIMUM SUPPLY VOLATGE RANGE IS 28V
Adjustable Threshold:
YES
Analog IC - Other Type:
LINEAR BATTERY CHARGER
JESD-30 Code:
S-PDSO-N10
JESD-609 Code:
e3
Length:
3 mm
Moisture Sensitivity Level:
3
Number of Channels:
2
Number of Functions:
1
Number of Terminals:
10
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-40 °C
Package Body Material:
PLASTIC/EPOXY
Package Code:
HVSON
Package Shape:
SQUARE
Package Style:
SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
Peak Reflow Temperature (Cel):
260
Seated Height-Max:
0.9 mm
Supply Voltage-Max (Vsup):
10 V
Supply Voltage-Min (Vsup):
4.3 V
Supply Voltage-Nom (Vsup):
5 V
Surface Mount:
YES
Temperature Grade:
INDUSTRIAL
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
NO LEAD
Terminal Pitch:
0.5 mm
Terminal Position:
DUAL
Threshold Voltage-Nom:
+4V
Time@Peak Reflow Temperature-Max (s):
30
Width:
3 mm
ISL9301IRZ-T Frequently Asked Questions (FAQs)
A good PCB layout for the ISL9301IRZ-T involves keeping the input and output capacitors close to the IC, using a solid ground plane, and minimizing the length of the traces between the IC and the capacitors. Additionally, it's recommended to use a shielded inductor and to keep the switching node (SW) away from sensitive analog nodes.
To ensure the stability of the output voltage, it's essential to choose the right output capacitor value and type. A minimum capacitance of 10uF is recommended, and the capacitor should have a low ESR (Equivalent Series Resistance) to minimize voltage ripple. Additionally, the output voltage can be stabilized by adding a small ceramic capacitor (e.g., 1nF) in parallel with the output capacitor.
The maximum ambient temperature range for the ISL9301IRZ-T is -40°C to +85°C. However, the device can operate at a junction temperature (TJ) of up to +125°C. It's essential to ensure proper thermal management to prevent overheating and ensure reliable operation.
Yes, the ISL9301IRZ-T is suitable for high-reliability applications. It's AEC-Q100 qualified, which means it meets the stringent requirements for automotive applications. Additionally, it's manufactured using a robust process that ensures high reliability and low defect rates.
To troubleshoot issues with the ISL9301IRZ-T, start by checking the input voltage, output voltage, and current. Verify that the input voltage is within the recommended range, and the output voltage is within the specified tolerance. Check for overheating by measuring the junction temperature (TJ) and ensuring it's within the recommended range. Also, verify that the PCB layout and component selection meet the recommended guidelines.
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ISL9301IRZ-T Overview
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