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All versions are Not Recommended for New Designs. See Ordering Information for recommended replacements.

Data Sheet

FULL DATA SHEET (PDF, 316kB) Download   E-Mail

Description

The MAX17005A/MAX17006A/MAX17015A are high-frequency multichemistry battery chargers. These circuits feature a new high-frequency current-mode architecture that significantly reduces component size and cost*. The charger uses a high-side MOSFET with n-channel synchronous rectifier. Widely adjustable charge current, charge voltage, and input current limit simplify the construction of highly accurate and efficient chargers. The charge voltage and charge current are set with analog control inputs. The charge current setting can also be adjusted with a PWM input. High-accuracy current-sense amplifiers provide fast cycle-by-cycle current- mode control to protect against short circuits to the battery and respond quickly to system load transients. In addition, the charger provides a high-accuracy analog output that is proportional to the adapter current. In the MAX17015A, this current monitor remains active when the adapter is absent to monitor battery discharge current. The MAX17005A charges three or four Li+ series cells, and the MAX17006A charges two or three Li+ series cells. The MAX17015A adjusts the charge voltage setting and the number of cells through a feedback resistor-divider from the output. All variants of the charger can provide at least 4A of charge current with a 10mΩ sense resistor. The charger utilizes a charge pump to control an n-channel adapter selection switch. The charge pump remains active even when the charger is off. When the adapter is absent, a p-channel MOSFET selects the battery. The MAX17005A/MAX17006A/MAX17015A are available in a small, 4mm x 4mm x 0.8mm 20-pin, lead-free TQFN package. An evaluation kit is available to reduce design time.

Key Features		Applications/Uses
High Switching Frequency (1.2MHz) Controlled Inductor Current-Ripple Architecture Reduced BOM Cost Small Inductor and Output Capacitors ±0.4% Accurate Charge Voltage ±2.5% Accurate Input-Current Limiting ±3% Accurate Charge Current Single-Point Compensation Monitor Outputs for ±2.5% Accurate Input Current Limit ±2.5% Battery Discharge Current (MAX17015A Only) AC Adapter Detection Analog/PWM Adjustable Charge-Current Setting Battery Voltage Adjustable for 3 and 4 Cells (MAX17005A) or 2 and 3 Cells (MAX17006A) Adjustable Battery Voltage (4.2V to 4.4V/Cell) Cycle-by-Cycle Current Limit Battery Short-Circuit Protection Fast Response for Pulse Charging Fast System-Load-Transient Response Programmable Charge Current < 5A Automatic System Power Source Selection with n-Channel MOSFET Internal Boost Diode +8V to +26V Input-Voltage Range		Notebook Computers Portable Equipment with Rechargeable Batteries Tablet PCs

*Patent pending.

Diagram

Typical Operating Circuit

Design Guides

Power Management for Battery-Powered Equipment (PDF)

Reliability Reports

Reliability Report: MAX17005A.pdf MAX17015A.pdf Show FIT data for: MAX17005A MAX17006A MAX17015A Request Reliability Report for: MAX17006A

Software/Models

none

Ordering Information

Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel;+ = RoHS/lead-free;# = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

Devices: 1-6 of 6

MAX17005A	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX17005AETP+			NRND	MAX17005BETP+	TQFN;20 pin;17 mm² Outline Drawing: 21-0139 (PDF) Land Pattern: 90-0037 (PDF) Use pkgcode/variation: T2044+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX17005AETP+T			NRND	MAX17005BETP+	TQFN;20 pin;17 mm² Outline Drawing: 21-0139 (PDF) Land Pattern: 90-0037 (PDF) Use pkgcode/variation: T2044+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX17006A	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX17006AETP+T			NRND	MAX17006BETP+	Land Pattern: Not Available	-40°C to +85°C	See data sheet
MAX17006AETP+			NRND	MAX17006BETP+	TQFN;20 pin;17 mm² Outline Drawing: 21-0139 (PDF) Land Pattern: 90-0037 (PDF) Use pkgcode/variation: T2044+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX17015A	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX17015AETP+			NRND	MAX17015BETP+	TQFN;20 pin;17 mm² Outline Drawing: 21-0139 (PDF) Land Pattern: 90-0037 (PDF) Use pkgcode/variation: T2044+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
MAX17015AETP+T			NRND	MAX17015BETP+	TQFN;20 pin;17 mm² Outline Drawing: 21-0139 (PDF) Land Pattern: 90-0037 (PDF) Use pkgcode/variation: T2044+3*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis

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